Actions walking and drinking are quite difficult in the moon.
A. for example
B. such as
C. including
D. liking
网友回答
A. for example
B. such as
C. including
D. liking
解析：：词义辨析。Ａ例如．．．（通常只列出一个例子）；Ｂ诸如此例（列出多个例子）；Ｃ包括；Ｄ像．．．一样。句意：诸如步行和喝东西这样的动作在月球上是相当困难的。故Ｂ正确。