Help others whenever you can you will earn respect from others without difficulty. A. and

问题补充：

Help others whenever you can you will earn respect from others without difficulty.

A. and

B. or

C. unless

D. but

答案：

(答案→)A. and

B. or

C. unless

D. but

解析：本题的含义是无论在何时你都可以帮助别人，那么你将会毫无困难的赢得别人的尊重，表示先后的顺序关系可用and连接，故本题选A。