6. Every person feels that their needs are more crucial than that of other human beings.

A. their needs are more crucial than that of other human beings.

B. his needs are more crucial than that of other human beings.

C. his needs are more crucial than those of other human beings.

D. his needs are more crucial from that of other human beings.

E. their needs are more crucial from those of other human beings.

Every person feels that their needs are more crucial than that of other human beings.

Grammar issue presented: pronoun and noun agreement

In the original sentence, person is singular, while their and human beings are both plural. In addition, needs is plural while that is singular. The sentence must correct agreement in number.

A. their needs are more crucial than that of other human beings.  
singular noun (person), plural pronoun (their)
Agree: NO
singular comparison (than that of), plural noun (human beings)
Agree: NO

B. his needs are more crucial than that of other human beings.
singular noun (person), singular pronoun (his)
Agree: YES
singular comparison (than that of), plural noun (human beings)
Agree: NO

C. his needs are more crucial than those of other human beings.
singular noun (person), singular pronoun (his)
Agree: YES
plural comparison (than that of), plural noun (human beings)
Agree: YES

D. his needs are more crucial from that of other human beings.
singular noun (person), singular pronoun (his)
Agree: YES
improper comparison (from that of), plural noun (human beings)
Agree: NO

E. their needs are more crucial from those of other human beings.
singular noun (person), plural pronoun (their)
Agree: NO
improper comparison (from those of), plural noun (human beings)
Agree: NO

(C) is correct because it is the only choice that contains complete agreement.

Q.6 Question

Q.7 Easy