8. The Kakapo, a parrot native to New Zealand, is critically endangered, with under 100 living birds known, all of who are named.

A. is critically endangered, with under 100 living birds known, all of who are named.
B. is critically endangered, with under 100 living birds known, all of whom are named.
C. are critically endangered, with under 100 living birds known, all of who are named.
D. with under 100 living birds known, are critically endangered, all of whom are named.
E. with under 100 living birds known, is critically endangered, all of whom are named.

The Kakapo, a parrot native to New Zealand, is critically endangered, with under 100 living birds known, all of who are named.

Grammar issue presented: pronoun case: all of who are named
Who is in the subjective case; however, the word functions in the sentence as the object: whom should be used.

1. is critically endangered, with under 100 living birds known, all of who are named.
   Pronoun case: who (subjective)
   Correct: NO
   
   
2. is critically endangered, with under 100 living birds known, all of whom are named.
   Pronoun case: whom (objective)
   Correct: YES
   
   
3. are critically endangered, with under 100 living birds known, all of who are named.
   Pronoun case: who (subjective)
   Correct: NO
   Additional errors? Subject/verb disagreement: are critically endangered
   
   
4. with under 100 living birds known, are critically endangered, all of whom are named.
   Pronoun case: whom (objective)
   Correct: YES
   Additional errors? Subject/verb disagreement: are critically endangered
   Misplaced modifier: All of whom are named should follow living birds known, not critically endangered.
   
   
5. with under 100 living birds known, is critically endangered, all of whom are named.
   Pronoun case: whom (objective)
   Correct: YES
   Additional errors? Misplaced modifier: All of whom are named should follow living birds known, not critically endangered.

(B) uses the proper pronoun case without creating new errors.

Q.7 Hard

Q.9 Hard