Answer: Option 'C' is correct.
Explanation:
Since we have given that
Total number of invitations = 96
Time taken to sign her full name = 5.3 seconds
Total time she needed to sign in 96 invitations is given by

And we know that

So, Lola will be able to finish signing all the invitations after 8.84 minutes.
Hence, Option 'C' is correct.