Which of the Following Is Most Likely to Prevent or Stop

Which of the following is most likely to prevent or stop an arms race between host and parasite?

A) A trade-off between a host's survival in the absence of parasitism and its reproductive success in the absence of parasitism
B) A trade-off between a host's survival when parasitized and its reproductive success in the absence of parasitism
C) Rare genotypes of the host that make the host less resistant to parasitism
D) The absence of a trade-off between the host's survival and reproduction when parasitized