Though my grandfather is in his eighties, he is still as as a young man and hates sitting around doing nothing all day.
A. enthusiastic
B. talkative
C. energetic
D. sensitive
网友回答
A. enthusiastic
B. talkative
(答案→)C. energetic
D. sensitive
解析：本题的含义是虽然我的祖父有80多岁了，但他仍然和年轻人一样精力充沛，不喜欢整天坐着什么事都不做。energetic表示精力充沛的意思，故本题选C。