单选题 The president (whom) the bank belongs, promised (to keep) all the board members (informed) of (how) the negotiations were going.

【正确答案】 A
【答案解析】应改为to whom。引导定语从句的关系词whom应该与从句中的动词短语相呼应。动词短语belong to介词提前,改为to whom。