單項(xiàng)選擇題

不具卵蓋的吸蟲(chóng)卵是()

A.姜片蟲(chóng)卵
B.血吸蟲(chóng)卵
C.肝吸蟲(chóng)卵
D.衛(wèi)氏并殖吸蟲(chóng)卵
E.斯氏貍殖吸蟲(chóng)卵

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