A. 60%~70%,15%~25% B. 60%~70%,25%~35% C. 40%~60%,15%~25% D. 40%~60%,25%~35%
A. 放射冠、透明带、卵黄膜 B. 透明带、放射冠、卵黄膜 C. 卵黄膜、放射冠、透明带 D. 卵黄膜、透明带、放射冠