Which one is better is a crush or obsession

Identify the homophone pair that needs to be corrected in these sentence

What makes the following sentence unclear? i had hoped to finish the race and win a medal, but i didn’t. a) nothing. the sentence contains no errors. b) there is no independent clause so the sentence is incomplete. c) it’s a simple sentence and doesn’t need a comma. d) there are two possible meanings to the sentence.

Read the sentence. “she always took it upon herself to challenge anyone who disagreed with her.” which word is the indefinite pronoun? a. her b. she c. anyone d. herself