Declining enrollments are forcing smaller private colleges

Option A: Incorrect
This statement is deficient in strength because the definite article ''the'' was used to qualify the verb and the noun.

Option B: Incorrect
This word ''rising''cannot be used to qualify intangible nominal subjects which infers this option is lacking in grammatical correctness.

Option C Incorrect
This statement used two connectors to differentiate two phrases which is contrary to semantics and the concord between both phrases.

Option D Correct/b]
This statement contains a connector and a conjunction which seeks to separate two possible alternatives. It puts the writer in a position of strength to offer the best of analysis on this basis.

Option E Incorrect
The statement contains two connectors and the word ''rise'' was use to qualify an intangible item which is not supposed to be so.