None of the articles in this case is of any use to us, and we hold them _______ your disposal _______ your instruction.
A、for, waiting
B、by,awaiting
C、under, depending
D、at, pending
【正确答案】：D
【题目解析】：
句意：None of the articles in this case is of any use to us, and we hold them _______ your disposal _______ your instruction.
