(2013·江苏，16)I am always delighted when I receive an e－mail from you.the party on July 1st，

(2013·江苏，16)I am always delighted when I receive an e－mail from you. the party on July 1st，I shall be pleased to attend.
A. On account of
B. In response to
C. In view of
D. With regard to

A. On account ofB. In response toC. In view of(答案→)D. With regard to解析：考查介词短语。A项“因为，由于”；B项“对……做出反应”；C项“由于，鉴于”；D项“就……而言，关于”。句意：说到7月1号的聚会，我会非常高兴地参加。选D。

我也是这个答案