The United States will be affected by whether Taiwan develops a closer relationship with mainland China or preserves the status quo, since the island nation is the United States' seventh-largest trading partner.
(A) The United States will be affected by whether Taiwan develops a closer relationship with mainland China or preserves the status quo
(B) Whether or not Taiwan develops a closer relationship with mainland China or preserves the status quo affecting the United States
(C) Whether or not Taiwan develops a closer relationship with mainland China or the status quo is preserved, it will affect the United States
(D) It affects the United States whether Taiwan will develop a closer relationship with mainland China or preserves the status quo
(E) It affects the United States whether or not Taiwan will develop a closer relationship with mainland China or preserve the status quo
key A
prep的解释说D中it可以指代whethor 从句，那么C中的it可以吗？ | 
