What suggestion does the author make in order to grasp this opportunity

A．the energy crisis is similar to the natural disasters we had in the past
B．the problem of energy is the most serious problem our country is confronted with
C．the author is uninterested in the problems of our society
D．the author is particularly worried about the crises we are facing

A．people in the same society may be governed by different cultural codes
B．the influence of cultural codes on an individual may decrease as he becomes older
C．cultural codes are passed on from one generation to another either in written form or in oral form or in both
D．cultural codes in different cultures may differ sharply from one another