<span>D. I would like to apply for the administrative position at your company is the most formal because you're brief and to the point.</span>
First, it is spelled servile. Second, here is your sentence!
The boy was servile and weak, intolerably vain and ambitious.
English is a west germanic language that originated from the Anglofresian dialects brought to britiain the 5th to 7th centuries.
B because in the context it would have been seen more dramatic