______ have you been in China.[ ]

A. How long

B. How often

C. How soon

D. How far

腾讯e龙卡可通过以下哪些渠道申请？（）

A.腾讯彩贝网站申请

B.微信渠道申请

C.网点填表申请

D.建设银行信用卡频道申请