Which of the following is TRUE about the immigration reform？A．It was proposed by a group o

Which of the following is TRUE about the immigration reform？

A．It was proposed by a group of senators.

B．Mr Obama had carried out the reform.

C．Illegal immigrants would soon be given citizenship.

D．The reform. failed to improve the current system.

请帮忙给出正确答案和分析，谢谢！