What is the correct punctuation for the following sentence? "In the meantime she continued working on her project"
A. In the meantime, she continued working on her project.
B. In the meantime; she continued working on her project.
C. In the meantime she continued working on her project.
D. In the meantime, she continued, working on her project.
The correct form is "In the meantime, she continued working on her project," using a comma to separate clauses.