But Barrett was beyond all reasoning. His mind had already cracked with thirst.

But Barrett was beyond all reasoning. His mind had already cracked with thirst.

A.Barrett's mind was so affected that he could no longer argue logically.

B.Barrett wouldn't listen to me because thirst had damaged his brain.

C.It was no use arguing with Barrett, for he had lost his senses.

D.Barrett was so thirsty that he couldn'l think reasonably.

正确答案是D