问题
选择题
Today the forests are getting fewer and fewer. We must ______ down too many trees.
A．keep people from cutting
B．prevent people from cutting
C．stop people cutting
D．all the above
答案
答案：D
题目分析：句意:今天森林越来越少，我们必须阻止人们砍伐太多的树。Keep/ prevent/ stop sb from doing阻止某人做某事；所以ABC三个选项都正确，根据句意故选D。