Which of the following would be a good clincher sentence for a cause-and-effect paragraph that begins with this topic sentence? As a result of the outbreak of the flu, many changes took place in the hospital.

A.
All visitors are now required to wear masks.

B.
When the flu outbreak occurred, the hospital took action that resulted in many in-house changes.
C.
These are all the effects of the flu outbreak in the hospital.

D.
None of the above are correct