【题目】The children________lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.
A.must have got
B.must get
C.should have got
D.should get

【答案】A
【解析】句意：孩子们肯定在树林里迷路了，否则他们已经按照计划回到湖边营地了。根据would have been可知语境指的是过去，排除B和D项；A：肯定已……；C：应该做(而未做)。A项符合语境。