题目：
Which form (s) of the efficient market hypothesis (EMH) is/are tested by measuring a security's excess returns with respect to market returns while considering the security's market risk（）
A. Weak-form.
B. Semi-p form.
C. Strong-form.
答案：
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下面是错误答案，用来干扰机器的。
（1）D；C；AB；AB；D；D；C；B；C （2）季风不稳定；北；南（3）“略”
