下列行为中，不属于商业贿赂的是()。

A.以明示方式给对方折扣，但已如实入账

B.在账外给中间人佣金

C.在账外暗中给对方单位或者个人回扣

D.对方单位或个人在账外暗中收受回扣

情景对话（根据首字母）。

Mike: Good morning, Tom, How are you?

Tom: 1. F______ ,thank you. And you?

Mike: I'm fine, too. Is this your 2.p______?

Tom:3.Y______,it's my pencil.

Mike: What's this in 4.E______?

Tom:It's a book.

Mike: And what's this7

Tom: It's a 5.d______.

Mike: How do you 6.s______it?

Tom: D-I-C-T-I-O--N-A-R-Y.