Answer: A.
Explanation:
Two independent clauses can be connected by using a comma followed by a coordinating conjunction like the ones below:
for
and
nor
but
or
yet
so
The best correction of the sentence would be:
We ran to catch up with the bus, but we missed it by just a few seconds.
Answer: The crowd felt less upset about Caesar's death after Antony's speech. While addressing the crowd after the murder of Caesar, Brutus and Anthony explained that Caesar has been killed because of his growing ambition which would be very harmful to the citizens of Rome.
Explanation: