Question

—What are you doing? —I'm     the key to the door.
A. finding out       B. looking after    C. looking for

Answer 1

C解析:
词义辨析题。Find out意为“找到”；look after意为“照顾”；look for意为“寻找”，根据句意可知“我在寻找门上的钥匙”。