Measer. Sharp & Co. have ______ us saying that they are unable to trace your name on their books.

A．replied
B．been in reply to
C．replied to
D．in reply to

对于看起来可归人两个或两个以上项目的商品，HS归类总规则规定了三个归类原则，HS采用详列商品加工方式的注释，使归类有了参照物，以便用比照方法进行商品归类。 ( )