问题详情

A．Most children do not really study at the age of five when they enter kindergarten.
B．Most Americans do not start to school at the age of five when they enter kindergarten.
C．Most Americans attend at kindergarten at the age of five for the whole day except weekends.
D．Most Americans go to elementary school at the age of five.请帮忙给出正确答案和分析，谢谢！