When I got back home I saw a message pinned to the door, “ Sorry to miss you; will call later.”
A. read
B. reads
C. to read
D. reading
网友回答
A. read
B. reads
C. to read
(答案→)D. reading
解析：句意：当我回到家时，我看到一个纸条钉在门上，写着“我没能见着你，以后再给你打电话”。message与read之间是主动关系，故用reading，应选D。