Question

read the sentence. the squirrel who ran in circles around the circumference of the tree chattered angrily at the curious cat. which correctly revises the sentence? the squirrel, who ran in circles around the circumference of the tree, chattered angrily at the curious cat. the squirrel who ran in circles around the circumference of the tree, chattered angrily at the curious cat. the squirrel, who ran in circles around the circumference of the tree chattered angrily, at the curious cat. the squirrel who ran in circles around the circumference of the tree chattered angrily, at the curious cat.

Explanation:

The relative - clause "who ran in circles around the circumference of the tree" is non - essential information about the squirrel. Non - essential clauses should be set off by commas. The correct placement of commas is before and after the non - essential clause.

Answer:

The squirrel, who ran in circles around the circumference of the tree, chattered angrily at the curious cat.