According to the Professional Conduct Standards relating to referral fees, any compensation, consideration, or benefit paid to members for the recommendation of products or services are required to be disclosed:（）

A. only to current and potential clients, as appropriate.

B. only to their employer and current clients, as appropriate.

C. to both current and potential clients and their employer, as appropriate.

小儿活动时先会站起后学会坐下所遵循的发育规律是（）

A.由头到尾

B.从上到下

C.由近到远

D.由粗到细

E.由动到静