单项选择:I am usually very careful ___ my things.A.forB.withC.toD.at请说明理由

单项选择:I am usually very careful ___ my things.A.forB.withC.toD.at请说明理由
单项选择:I am usually very careful ___ my things.
A.for
B.with
C.to
D.at
请说明理由

单项选择:I am usually very careful ___ my things.A.forB.withC.toD.at请说明理由
be careful with 小心对待,认真处理