信用证中有关当事人条款如下:OPENINGBANK*COMMERCIALBANKLONGBEACH.
APPLICANT*50:GREETRADINGCO.LONGBEACH
BENEFICIARY*59:SHANGHAIKNITWEAREIMP.ANDEXP.CORP.JIANGSUROAD,SHANGHAI,CHINA
AVAILABLEWITH/BY*41D:ABCBANKBEIJINGBYNEGOTIATION
DRAWEE42A:OURSELVES
请问付款行是（）.
A.GREETRADINGCO.LONGBEACH
B.COMMERCIALBANKLONGBEACH.
C.ABCBANK
D.SHANGHAIKNITWEAREIMP.ANDEXP.CORP