In the following question, four alternatives are given for the idiom/phrase in bold and italics in the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
Jaja had a chequered career since I first knew him as an office assistant in the insurance company.
Had a variety of jobs and experiences
A career which helped him make lot of money
A career where he signed a lot of cheques
Did odd jobs
Correct answer is A
No explanation has been provided for this answer.