What conjunction can make it a meaningful sentence?

Basically, conjunction is a part of speech that is used to connect thoughts, actions, words and phrases. For example: but, and, so, nor, etc.

Conjunction, 'And' connects two equal parts of a sentence. Here, in the given sentence, two parts are connected; The bust stopped, the man got off. Therefore, and is used to complete this sentence.

The bus stopped and the man got off.

The bus stopped and the man got off.

The bus stopped and the man got off.

The correct answer is And. The bus stopped and the man got off.