单项选择题

Having sized up the material the Lord had given her to mold, she [my mother] didn't overestimate what site could do with it.()

A. ...finding the material too thin, she decided to do what she could with it.
B. ...knowing what I was, she didn't expect me to achieve great success.
C. ...she was realistic about what I could become, for I lacked ambition.
D. ...she knew she couldn't make anything valuable out of the material from God.