Perilsofthesea,suchasvesselbeingstrandedorgroundedcoveredinaninsurancepolicyisonekindof（）.

Perilsofthesea,suchasvesselbeingstrandedorgroundedcoveredinaninsurancepolicyisonekindof（）.
A.naturalcalamity
B.fortuitousaccident
C.generalextraneousrisk
D.specialextraneousrisk
正确答案：B