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rules-for-posting-in-verbal-gmat-forum-134642.htmlAs far as your query is concerned, answer is a straight B..
In addition to containing more sentences than page six does, the sentences on page seven are more understandable than those on page six, with better words and grammar.
A. the sentences on page seven are more understandable than those on
B. page seven has sentences that are more understandable than those on
C. the sentences on page seven are more understandable than they are in
D. sentences are more understandable than they are on
E. page seven has sentences more understandable than
Note that, ‘page seven’ is being modified and hence should appear right after the comma.
A,C and D eliminated.
E is wrong as attribute (understandability) of sentences on page seven is being compared to page six, rather than sentences on page six.
B rectifies all the above errors.