試題詳解

50. Which of the following is true?
(A) Americans wore business casual clothing all days of a week by 1970.
(B) The trend of business casual style started in California and then spread to Hawaii.
(C)Nowadays people in the U.S. have gone back to more formal, conservative and elegant office attire.
(D) Aloha shirts became popular because of numerous ads showing men and women wearing them.