a. Mr. Dobbs is friendly with his customers, he is rude to his workers. b. Mr. Dobbs is friendly with his customers, but he is rude to his workers. c. Mr. Dobbs is friendly with his customers he is rude to his workers.

B.) Mr. Dobbs is friendly with his customers, but he is rude to his workers.

Explanation:

The comma and transition word is needed to make this sentence correct.

to gain popularity at school, fitzgerald wrote plays for the school and cast himself as the star. he also joined one of the universitys most prestigious clubs.

recommended becuase why did he read the book? becuase it was recommended