A dangling modifier occurs when a modifier

a. is used at the end of a sentence.

b. appears to modify something it shouldn't.

c. is not set off from the sentence with a comma.

d. does not contain a complete thought.

A dangling modifier occurs when it appears to modify something it shouldn't. The answer is option B. Dangling modifiers consist of words that do not clearly convey what it really modifies because the words are left out or misplaced; thus, calling it dangling.