India is expected to overtake China as the world’s most ___ country with almost 3 million more people by the middle of this year, according to UN figures.

Apopular
Bpopulate
Cpopulous正確答案
Dprosperous
答案與詳解

populous 形容詞,意為「人口眾多的」。most populous country=人口最多的國家,完全呼應後文 3 million more people 的人口比較。
