In the Past 20 to 50 Years, Many Plants Have

In the past 20 to 50 years, many plants have reacted to rising temperatures by blooming earlier in the spring.Early flowering is particularly associated with insect-pollinated plants.Which would be the most likely result if insect pollinators did not also emerge earlier, or if their emergence did not coincide with flowering?

A) Other insects would pollinate the early-flowering plants.
B) Pollination of some plants would decrease or not occur.
C) Early-blooming plants would reproduce without pollination.
D) Both plant and pollinator would go extinct within a few years.
E) Plants would respond by flowering later the following year.