Answer: AB
Analysis:
Zài zhè cì bǐ sài zhōnɡ, tā zài cì dé le dì yī mínɡ.
在 这 次 比 赛 中 ，他 再 次 得 了 第 一 名。
He won the first place again in this contest.
Zài (在): It’s used as a preposition in Chinese. It can be used to refer to a certain time, location or place, occasion and range, etc.
For example:
Zài yī jiǔ jiǔ yī nián.
在 1991 年。
In 1991.
Zài běi jīng.
在 北 京。
In Beijing.
Zài bǐ sài zhōng.
在 比 赛 中。
In a competition.
Zài (再): It’s used as an adverb in Chinese. Zài (再)is used to describe “to do something for a second time or another time”.
For example:
Zài jiàn.
再 见。
Goodbye, see you.
Zài lái.
再 来。
Do it again.
Zài dú yī biàn.
再 读 一 遍。
Read it again.