Fundamental analysis most likely requires the analyst to engage in:()

A. extrapolating historical data.

B. performing aggregate market analysis.

C. detecting the beginning of price movements that lead to new equilibrium prices.

下列药物中枢镇静作用最强的药物是

A．阿司咪唑
B．氯苯那敏
C．美克洛嗪
D．苯海拉明
E．特非那定