Based upon the author's use of details and language in paragraph 4, what can the reader conclude about the people who work for Dr. Farber?

Responses
A They are timid and sensitive.They are timid and sensitive.
B They are friendly and outgoing.They are friendly and outgoing.
C They are serious and indifferent.They are serious and indifferent.
D They are formal and professional.They are formal and professional.

D They are formal and professional.