Select the most appropriate option to fill in the blank.

I can’t control my _____ these days because I got selected for a job.

excitement

The most appropriate option to fill in the blank is excitement.

The sentence is about the speaker's excitement about getting a job. The word "excitement" means a feeling of great eagerness and enthusiasm, which is the most appropriate word to use in this context because it describes the speaker's feelings about getting a job.

The other options are not as appropriate.

• Casualness means a lack of formality or attention to detail. This does not make sense in the context of the sentence because the speaker is not talking about being casual or lacking attention to detail.
• Nepotism means favoritism shown to relatives in business or other positions of power. This does not make sense in the context of the sentence because the speaker is not talking about nepotism.
• Pollution means the presence in or introduction of harmful or poisonous substances into the environment. This does not make sense in the context of the sentence because the speaker is not talking about pollution.