It remains to be seen________North Korea will remain stable under its new young leader.

A. when                             B. whether

C. why                              D. That

 It remains to be seen _______ the newly formed committee’s policy can be put into practice.

A. that               B. which                           C. what         D. whether

It remains to be seen______ the newly formed committee’s policy can be put into practice.

A. that       B. which    C. what      D. whether

It remains to be seen _______the newly formed committee’s policy can be put into practice.

A. that             B. which          C. what               D. whether

It remains to be seen_______ the newly formed committee's policy can be put into practice.

A．that              B．which             C．what             D．whether