Read the following sentences Choose the one that is punctuated correctly.
a. Lonnie was two hours late for work this morning; the bridge was closed because of an accident.
b. Lonnie was two hours late for work this morning; the bridge was closed, because of an accident.
c. Lonnie was two hours' late for work this morning, the bridge was closed: because of an accident.
d. Lonnie was two hour's late for work this morning, the bridge was closed because of an accident.