Conventional External Fertilization Involves Both Males and Females Extruding Gametes

Multiple Choice

Conventional external fertilization involves both males and females extruding gametes into the environment where they fertilize separate from the parents;internal fertilization involves sperm being transferred to the female with fertilization inside the female.A leech utilizes

A) conventional external fertilization.
B) standard internal fertilization.
C) internal fertilization but by hypodermic impregnation that penetrates the integument.
D) no transfer of sperm at all but regenerates asexually.
E) None of the choices is correct.