Identify the correct sentence.
A.
While he went to​ work, his wife watched the​ children, and while she went to​ class, he watched the children.
B.
While he went to​ work, his wife watched the​ children, while she went to​ class, he watched the children.
C.
While he went to​ work, his wife watched the children while she went to​ class, he watched the children.
D.
While he went to​ work, his wife watched the children and while she went to​ class, he watched the children.