His ___________ nature would not lot him leave his office before 5 p.m.
Answer : Option D
Explanation :
Honest means truthful. Selfish is a person who just thinks about himself. Unscrupulous means dishonest. Conscientious means diligent or hardworking. Looking at the sentence, it is understood that the person is very hardworking. Thus option (d) is the best answer.
