题干
Liu Ying is good at singing. She sings __________ the famous singer, CoCo.
A：as well as
B：as good as
C：as better as
D：as the best as
答案(点此获取答案解析）
A
Liu Ying is good at singing. She sings __________ the famous singer, CoCo.
A：as well as
B：as good as
C：as better as
D：as the best as
中，在同一平面内的碳原子最少应有（ ）