题目：
-----It is long since we met last. Haven’t you graduated from college yet?
----- _____. I ____ English for 3 years in Lanzhou University.
A．No; study
B．Yes; have studied
C．No; am studying
D．Yes; studied
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A,B,D,E解析：剂型因素对药效的影响是生物药剂学研究的范畴。
