问题
选择题
With the help of the soldiers, many people ______ in the ruins were saved.
A．trapping
B．having trapped
C．to be trapped
D．trapped
答案
答案：D
考查非谓语动词。many people与trap之间是被动关系，所以用过去分词trapped，在这里作后置定语。句意：在这些士兵的帮助下，被困在废墟中的许多人被救了。所以选D。