请教一道语法题

xd2008

For all his professed disdain of such activities, Auden was an inveterate literary gossip.

(A)   For all his professed disdain of such activities

(B)   Having always professed disdain for such activities

(C)   All such activities were, he professed, disdained, and

(D)  Professing that all such activities were disdained

(E)   In spite of professions of disdaining all such activities

答案是A，B和D是什么问题？for在这里当什么讲，是什么用法？

serendipityh

for all 尽管=in spite of + 名词短语
        还有个意思考虑到有多少..
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BD 都改变语气了