出口人将汇票连同装运单据一并交给银行，委托其收取货款的托收方式是（）。
A.跟单托收
B.光票托收
C.票据托收
D.信托收据
参考答案：A
She and her family hid away for nearly twenty-five months _____ they were discovered.
A．After
B．since
C．until
D．before
外源性支气管哮喘，浆细胞产生使人体发生变态反应的抗体是
A．IgAB．IgGC．IgED．IgME．IgD
