急性胰腺炎并发假性囊肿时，下列哪项描述是错误的

A．假性囊肿常在病后3～4周形成

B．假性囊肿囊壁由上皮覆盖并由坏死、肉芽与纤维组织构成

C．假性囊肿多位于胰体尾部

D．可继发细菌感染

E．假性囊肿囊壁破裂产生胰源性腹水

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It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.

A．/; that

B．where; which

C．/; where

D．what; which