158. (33377-!-item-!-188;#058&006720)
The largest trade-book publisher in the United States has announced the creation of a new digital imprint division, under which it will publish about 20 purely digital works to be sold online as either electronic books or downloadable copies that can be printed upon purchase.
(A) works to be sold online as either electronic books or
(B) works to sell them online, either as electronic books or
(C) works and it will sell them online as either electronic books or as
(D) works, and selling them online as either electronic books or as
(E) works, and it will sell them online either as electronic books or
OA:A
这个题A与E怎么选啊,A中的不定式后面的内容太多感觉不如E表达清晰,求大神解析