Question

A reader can usually recognize a sentence fragment because the reader is

Answer 1

C, left asking questions.

Answer 2

C. left asking questions.

A sentence fragment is an incomplete idea. Often this is caused by a conjunction that is missing the rest of the information. An example of a sentence fragment is "When I went to school." This is a fragment because the reader is wondering when you went to school, what? The rest of the information is missing.