甲市仲裁委员会就A公司与B公司合同纠纷一案作出裁定，裁定A公司返还B公司三合板材1000张。A公司拒绝履行裁决。于是B公司先后向A公司住所地甲市乙区和A公司三合板仓库所在地的甲市丙区法院申请执行。本案应由哪一个法院执行

A．甲市乙区

B．甲市丙区

C．乙区和丙区共同管辖

D．甲市中级人民法院管辖

The presentation layer is concerned with the（1） and semantics of the information exchanged between two systems. The processes in two systems are usually exchanginginformation in the form of character（2）numbers, and so on. The information should bechanged to bit （3） before being transmitted. Because different encoding systems, thepresentation layer is responsible for （4）between these different encoding methods. Thepresentation layer at the sender changes the information from its sender-dependent format into acommon format. The presentation layer at the receiving machine changes the common format intoits （5） dependent format.

（1）是（）

A.frequency

B.syntax

C.dialog

D.format