单选题 Mr. Chan's main role in the company for the next two weeks is to look ______ the right person to take over Mr. Shaw's position when he leaves at the end of the month.

【正确答案】 B
【答案解析】备选答案均为介词，横线前有动词look，应选择可与look搭配的介词。按照句意，要表达“找”的意思。故答案是(B)for, look for意为“寻找”。