What is the danger of relying on a series of short, simple sentence to comprise a majority of your sentences within an essay?

A. Short sentences may give your paper a feeling of incompleteness and rushed urgency. The reader may view this as a lack of effort.
B. Short sentences may create a pattern of emphasis. The reader may mistake details as important information.
C. Short sentences may obscure the connections between ideas. The reader may be confused.
D. Short sentences may make the writing unclear and hard to understand. The reader may stop reading.