Answer:
B. A pronoun that could refer to more than one person,place or thing.
Explanation:
When a sentence does not clearly identify which noun a subsequent pronoun refers to, the error is referred to as an unclear antecedent.
In traditional poetry, a regular rhyme aids the memory for recitation and gives predictable pleasure. A pattern of rhyme, called a scheme, also helps establish the form. ... In modern free verse, rhyme breaks the pattern and adds unpredictable spice, giving special emphasis to the lines that rhyme.