In duty calculation, in case the CIF price of imports is in terms of foreign currency, it shall be converted into ______.

A．another foreign currency quoted

B．RMB at buying price quoted

C．RMB at selling price quoted

D．RMB at the middle price between the buying and selling prices quoted

与药物经济学相关性较小的学科是

A．经济学
B．决策学
C．统计学
D．流行病学
E．生物化学