7407. He tried to cajole her, but it was in vain.

✅ The correct answer is option B.
Enjoin : instruct or urge (someone) to do something.

Coax : gently and persistently persuade (someone) to do something.

Rejoice : feel or show great joy or delight.

Inspire : fill (someone) with the urge or ability to do or feel something, especially to do something creative.

Cajole : persuade (someone) to do something by sustained coaxing or flattery.

Synonym of Cajole is Coax