2、—Excuse me，sir.Could you tell me the way to the railway station?
—Sorry，I'm a stranger here myself.You are supposed to ask，I'm afraid，________ is a native.
A．someone B．whoever C．who D．whomever
【答案】B
【解析】考查名词性从句。I'm afraid是插入语，句子的主干是“You are supposed to ask whoever is a native”。whoever引导宾语从句，并在从句中作主语。
