I think that its "A biography written by a historian" though A and B are the same answers
D) the sky displayed a peculiar coloring
A. Words are used whose sound imitates the sound of the thing being named
The best answer is B, because if the school has only women gym teacher then you can't have a male gym teacher.
Answer:
A present participle is the -ing form of a verb, so your answer is "working."
