Which revision uses a noun phrase and maintains the meaning of the original sentences? an old pipe began leaking in the basement. the basement sure is cold and damp. a. an old pipe, cold and damp, began leaking in the basement. b. an old pipe began leaking in the cold, damp basement. c. an old pipe began leaking in the basement, which is cold and damp. d. an old pipe began leaking in the basement, where it is cold and damp.