Passage: Could I speak to Jim, P

Passage: Could I speak to Jim, Please?When did Jim go out？（ ）
A、He went out about half hour ago.
B、He went out about an hour ago.
C、He went out about two hours ago.
D、He went out about three hours ago.
【正确答案】：B
【题目解析】：短文中吉姆大约一小时前出去了。 A选项“半小时前”，C选项“两小时前”，D选项“三小时前”均不符合题干要求，故选B选项“大约一小时前”。