I was afraid to my customers because I was afraid them.
A. of talking back；to lose
B. of talking back；of losing
C. to talk back；to lose
D. to talk back；of losing
网友回答
A. of talking back；to lose
B. of talking back；of losing
C. to talk back；to lose
(答案→)D. to talk back；of losing
解析：be afraid to do作“不敢……”解(侧重指不敢作出的一种行为)；be afraid of doing 作“担心……”解(侧重强调害怕产生某种后果)。