He is not as as his younger brother.A. strongB. strongerC. strongestD. the strongest

问题补充：

He is not as as his younger brother.

A. strong

B. stronger

C. strongest

D. the strongest

答案：

(答案→)A. strong

B. stronger

C. strongest

D. the strongest

解析：

试题分析: 句意: 他不和他的小弟弟一样强壮。not as+adj/adv原级+as不和……一样，strong强壮的，故答案选A.