一道英语选择题 (只有一道题)

问题描述:

一道英语选择题 (只有一道题)
Apply diluted solution by brush.

a) Use a brush to put the solution on.
b) Dilute the solution by using a brush.
c)Brush the solution until it dilutes.
d) Avoid using a brush with the solution.

最好能说明原因,谢谢
你们都辛苦了,答得都好,可采纳只能一个,就给第一个吧。
感谢朋友们

A
apply:涂,敷
涂 稀释的 溶液 用刷子------------------- 用刷子涂稀释的溶液