In the following cover letter text, what most needs to be revised? dear sir, i am writing to express my interest in your engineering department. the front desk girl at your office told me that you had several openings for strong, hardworking individuals at your remote office in northwestern north dakota. a. redundancy b. gender bias c. informal tone d. casual style

D.Casual style

Explanation:

The writer sounds casual because he / she uses the first person singular and addresses his/ her potential employeer as "You". "I am writing to express my interest in your engineering ..." The writer is expected to sound detached from his / her potential employer since there is some hierarchy implied and he/ she should respect this " distance". If the writer breaks this distance, he / she thinks himself / herself to be at the same level of a person he/ she has never met  ,and on top of eveything, this is too formal a context to sound so friendly.

they fear for their lives

the answer is d)to persuade the troops that she is a capable commander