Choose the closest paraphrased version for the sentence or italicized part.
He could think of no answer but the truth. （）
A、
He had to tell the real fact because he could not find other answers.
B、
He had to tell the truth if he was asked.
C、
He had to tell the truth if he could not answer.
D、
He answered but that was not the real fact.
【正确答案】：A
【题目解析】：
他想不出别的答复，只好以实情相告。选自下册第二课 The Man Who Could Work Miracles(I)