Question

【题目】The little boy stared at the strange man questioningly, not whether to believe what he had said.

A. to knowB. knowing

C. knownD. having known

Answer 1

【答案】B

【解析】

考查非谓语动词。句意：小男孩疑惑地盯着这个陌生人，不知道自己是否该相信他说的话。little boy与know之间是逻辑上的主谓关系，表示主动，用现在分词作伴随状语，故B项正确。