Read this sentence.Not only must a firefighter be strong, but he must be able to think on his feet.Which is the best way to writ
e the sentence to take out the gender bias? A.Not only must firefighters be strong, but they must be able to think on their feet. B.Not only must a firefighter be strong, but she must be able to think on her feet. C.Not only must a firefighter be strong, but they must be able to think on their feet. D.Not only must a firefighter be strong, but we must be able to think on our feet.