患者女，40岁，因“阵发性腹痛6个月，突发急腹症1d”来诊。行剖腹探查，术中发现胰尾部占位。

可能的病理诊断是（）。

A.胰腺导管腺癌

B.神经内分泌肿瘤

C.实性-假 * * 状肿瘤

D.腺泡细胞癌

E.黏液性囊性肿瘤

F.慢性胰腺炎

G.导管内 * * 状黏液性肿瘤

Frapping lines（）.

A.secure the lifeboat in the davits when in the stowed position

B.bring the lifeboat close alongside the rail in the embarkation position

C.give the occupants a safety line when the boat is being lowered from the embarkation level

D.reduce the swinging of the lifeboat at the embarkation level