Sentence Correction

Rejected the apprenticeship model of training social workers in philanthropic agencies, twentieth-century reformer Edith Abbott was convinced of social work education belong in the university so that students could be offered a broad range of courses dealing with social issues.

A. of social work education belonging in the university so that
B. that social work education should be in the university, and that
C. about the importance of social work education belonging in the university while
D. that social work education belonged in the university, where
E. of the necessity of social work education being in the university and

IMO -D? concise and clear in meaning.

A: so that sounds wrong; indicates purpose-> 'because' more appropriate
B: that ... and that(...); he is not convinced of the second phrase;
C: while..
D: concise & clear
E: and is incorrect;

IMO D.

Convince someone of something and convinced that are the right idioms. A/C/E are wrong.

A - so that is wrong
C - usage of while is wrong
E - being is wrong

Between B/D - B seems to split the idea into two things by using 'and that'.

Rejected the apprenticeship model of training social workers in philanthropic agencies, twentieth-century reformer Edith Abbott was convinced
that social work education should be in the university, and
that students could be offered a broad range of courses dealing with social issues.
- this seems wrong.

D seems more clear linking the two. Hope this helps

Thank you. OA is D. I was confused between B and D. Now it's clear that he is not convinced the 2nd "that ~".