书名：寂天挑战新多益阅读满分
页数：2014/02
题目：p.96 114题
疑问：
114. Infosys Technologies Ltd. has instituted an annul award of
$5 million for Korean scientists who have achieved excellence
_____ research in biotechnology.
(A) in promoting
(B) for the promotion
(C) by promoting
(D) as a promotion
想请教各位答案为何是 (A) in promoting ?
谢谢~~