32.下列何者為豆狀結構,並位於泌尿生殖膈(urogenital diaphragm)內,其分泌的液體能潤滑生殖管道? (A)精囊(seminal vesicle) (B)前列腺(prostate gland) (C)尿道球腺(bulbo-urethral gland) (D)大前庭腺(great vestibular gland)