Which of the following does not use excessive coordination or subordination?
A. He helped design several new toys, and then he designed two new products mostly by himself, and then he redesigned the company's most famous toy.
B. Because he had soon designed several toys of his own, and he had also done many kinds of book illustrations, he was able to sell his work to other toy companies.
C. He was hard working, and he was imaginative, and the company liked his work.
D. The company was growing rapidly, and it needed more designers, and it hired him without experience.

B. Because he had soon designed several toys of his own, and he had also done many kinds of book illustrations, he was able to sell his work to other toy companies.

Explanation:

Subordination refers to how two clauses in a sentence are joined together where on clause is dependent on the other.

Coordination refers to how two clauses, phrases or words in a sentence are given the same emphasis. This is usually done by using: and, but, for, or, not, yet and so.