The answer is D he is complaining about having to share the bathroom with everybody else.
The word A. Estimate means approximation.
Generally, it keeps the reader interested. Also, when you start an essay/story, include a hook to capture your reader.
it is appropriate to break the rule that requires subjects joined by and to use a plural verb when either and neither are subjects. They always take singular verb.
For example :
Either of us is capable of doing the job
