Bob doesn't look his age. I think he's somewhere _____.

Bob doesn't look his age. I think he's somewhere _____.
A、in forty
B、in forties
C、in his forty
D、in his forties
【正确答案】：D
【题目解析】：考查固定短语。句意：鲍勃看起来不像他那个年纪的样子。我觉得他已经四十多岁了。in one's forties意为“四十多岁”，故选D。