30. made possible for China to succeed in carrying on its reforms and open-door policy.
|
A.
What happened; it |
B. What happened; that |
|
C.
That happened; it |
D. That happened; that |
30. made possible for China to succeed in carrying on its reforms and open-door policy.
|
A.
What happened; it |
B. What happened; that |
|
C.
That happened; it |
D. That happened; that |