The subject of the sentence is: 1. Mrs. Crawley and 2. her class.
<h3>Who is the subject of a sentence?</h3>
The subject of a sentence refers to the person who performs the act. The subject acts on the object in the sentence.
In the sentence above, we find that Mrs. Crawley and her class together planned to visit the White House. These two form the subject of the sentence.
Learn more about the subject of a sentence here:
brainly.com/question/24888839
I guess it is relevance that occurs when there's an error in inductive or deductive reasoning
The answer would be C) both his sisters are taller
