My nephew , Matthew called today . He was at his grandma 's house and wanted to know if any of his cousins wanted to come swim in the pool with him . Jake was the only one not otherwise occupied , and since it was a sunny and hot day today , was more than happy to go cool off with Matthew .
According to the above context, choose the best option to answer the following question.
Question: Why did Matthew call his cousins to go to the pool ?
Options:
A. Matthew 's grandmother wanted Matthew to have a friend to play with
B. Matthew 's grandma had a pool and he needed someone to swim with
C. Matthew wanted something else to do besides knit with his grandmother
D. None of the above choices .


B