一道英語選擇題 （只有一道題）
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.

最好能說明原因,謝謝
你們都辛苦了，答得都好，可采納只能一個(gè)，就給第一個(gè)吧。
感謝朋友們