男性，32岁，饭后2小时出现腹痛，并进行性加重，向双侧腰部放射，伴恶心、呕吐。查体：神志清，T：38、2℃血压10/5kpa，脉搏100次/分，律齐。患者的病程演变还可能出现的体征可除外（）

A.巩膜轻度黄染

B.出现病理性反射

C.季肋部皮肤出现灰紫斑，脐周皮肤青紫

D.上腹部明显压痛，肌紧张及反跳痛

E.偶可出现手足抽搐

When anyone opens a current account at a bank, he is lending the bank money. He may (1) the repayment of the money at any time, either (2) cash or by drawing a check in favor of another person. (3) , the banker customer relationship is that of debtor and creditor who is (4) depending on whether the customer’s account is (5) credit or is overdrawn. But, in (6) to that basically simple concept," the bank and its customer (7) a large number of obligations to one another. Many of these obligations can give (8) to problems and complications but a bank customer, unlike, say, a buyer of goods, cannot complain that the law is (9) against him.

The bank must (10) its customer’s instructions, and not those of anyone else. (11) , for example, a customer opens an account, he instructs the bank to debit his account only in (12) of checks drawn by himself. He gives the bank (13) of his signature, and there is a very firm rule that the bank has no right or (14) to pay out a customer’s money (15) a check on which its customer’s signature has been (16) . It makes no difference that the forgery may have been a very (17) one, the bank must recognize its customer’s signature. For this reason there is no (18) to the customer in the practice, (19) by banks, of printing the customer’s name on his checks. If this (20) forgery, it is the bank that will lose, not the customer.

20（）

A.contributes

B.facilitates

C.results

D.leads