_____his timely help , Kate overcame the hardship at last.                                                                                                                                                                                                                                                                                                                                                                                                                         

A．For

B．Thanks to

C．As a result

D．Because

期间收入汇转后，期间收入账户期末应( )。

A．有借方余额

B．有贷方余额

C．无余额

D．有借方或带贷方余额