Mark the letter A, B, C, or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 21 to 25.

a. Overall, remember that you have a digital footprint, and think carefully before you click 'send' or 'post'.
b. There are plenty of people looking at information about you.
c. Some of them want to steal from you, but the less information you put out, the harder it is for them.
d. Bank details, card numbers, passwords-none of them should be written in emails or text messages.
e. No one can go online without leaving a footprint-but with care, you can control it.