下列哪项不是抗原热修复选择的介质

A.TBS

B.PBS

C.CB

D.蒸馏水

E.EDTA

An exporter sells goods to a customer abroad on CIF and FCA terms. Who is responsible for the freight charges respectively （ ）

A．seller, seller

B．seller, buyer

C．buyer, seller

D．buyer, buyer