what on earth caused the evening party to be put off ? ___ the invitations.A TOM delayed sending B TOM'S delaying sending C TOM delaying to send D TOM delayed to send

问题描述:

what on earth caused the evening party to be put off ? ___ the invitations.
A TOM delayed sending B TOM'S delaying sending
C TOM delaying to send D TOM delayed to send

选择B,tom和delay是主动关系,所以用ing,而delay后面的动词跟ing,