在VisualFoxPro中，字符型字段的最大宽度是（）。
A.1个字节
B.6个字节
C.8个字节
D.254个字节
参考答案：D
—Your mother look a bit disappointed. You __ have told her the truth.
—Yes, I have told her about the result of the exam. [ ]
A. should
B. must
C. can
圆的周长的一半等于和它直径相等的半圆的周长。 [ ]
