Which of the following about the New Jersey study is TRUE？A．There is no evidence to suppor

Which of the following about the New Jersey study is TRUE？

A．There is no evidence to support the New Jersey study.

B．New Jersey has created a new Head Start to help disadvantaged kids.

C．Sending children to school at the age of four is not going to help.

D．Two years of pre-kindergarten were better than one.

请帮忙给出正确答案和分析，谢谢！