The bridge looked so unsafe that we all______.

A．proteins existed in specific group types
B．proteins could have been shown to direct the synthesis of other proteins
C．antigens were always destroyed by proteins
D．antibodies were composed only of protein

A．explaining the influence of Confucianism on modem Japan
B．analyzing the reasons for Japan’s postwar economic success
C．discussing some important determinants of Japanese values
D．describing managerial practices in Japanese industry