Which sentence best supports the main idea below?
Children's birthday parties today are quite different from those of the past.
A.
One of the first difficulties is preparing the list of invited guests. Family and friends must be considered.
B. I remember my favorite birthday party because all of my relatives attended and sang to me.
C.
Birthdays are important occasions and worth the effort involved in planning a celebration party.
D. Many people today choose to have their birthday parties at a place other than their homes.