Which one of the following, if true, would most seriously weaken the argument in Homework #18?
A. Overripe vegetables are more nutritious than underripe ones.
B. Vegetables destined for freezing and those destined for the grocery store are picked at the same time.
C. Fresh vegetables are refrigerated during transport to prevent them from spoiling.
D. Many people who live near farms can purchase vegetables directly from the farmers.
E. Tests have shown that fresh vegetables taste a lot better than frozen vegetables.
