题干
Jenny suggested our going on an outing to the countryside 
next weekend, but the rest didn’t sound very _________ about the idea.
next weekend, but the rest didn’t sound very _________ about the idea.
A：anxiou
B：enthusiastic
C：cautiou
D：secure
答案(点此获取答案解析）
B
，下列叙述正确的是（ ）