Direction: Choose the appropriate idiom from the options below to fill in the blank in the sentence, making it grammatically and contextually correct.
____________________ due to past disappointments, he often overreacted to criticism, making it difficult to work with him.
1
Having a bee in his bonnet
2
Keeping a straight face
3
Having a chip on his shoulder
4
Having the ball in his court
5
Throwing caution to the wind