问题
选择题
She started studying medicine at college, but_______to Business Studies in her second year.
A．transformed
B．skipped
C．adjusted
D．switched
答案
答案：D
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She started studying medicine at college, but_______to Business Studies in her second year.
A．transformed
B．skipped
C．adjusted
D．switched
答案：D
，则质点（ ）