国际旅行社每设立一个分社，应增交 万元人民币质量保证金。
A．15
B．30
C．50
D．80
参考答案：B
She is thin ______ as though she never ______ anything. [ ]
A. for the bone; ate
B. to the bone; ate
C. with the bone; eats
D. to the bone; eats
根据《支付结算办法》的规定，办理支付结算时应符合哪些基本要求
