It was a great for him to be pleasant to people he didn’t like.A. troubleB. effortC. sorr

问题补充：

It was a great for him to be pleasant to people he didn’t like.

A. trouble

B. effort

C. sorrow

D. horror

答案：

A. trouble

(答案→)B. effort

C. sorrow

D. horror

解析：词义辨析。 A.麻烦B.努力，成就C. 悲伤D. 惊骇，令人恐怖的事。句意：去让他适合他不喜欢的人的心意，需要他做出巨大努力。故选B。