If a Disease Quickly Spreads Through a Desert and Kills

If a disease quickly spreads through a desert and kills moths that are the sole pollinators of long-lived yucca plants,the most likely outcome would be that

A) another pollinator would quickly take over and begin to pollinate the yucca plants.
B) the yucca plants would self-pollinate.
C) the yucca plants would die the season after the last yucca moth died.
D) the yucca plants would not be pollinated and would eventually go extinct.