Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of the sentences to make a meaningful letter/paragraph in each of the following questions.

a. First, it can lead to misunderstandings and miscommunications.

b. Building relationships through social media may pose some unknown threats.

c. Moreover, users may feel lonely or anxious as they lack face-to-face interaction.

d. Privacy is another problem when people's personal information is used for bad purposes.

e. Overall, while making friends online can be enjoyable, it is important to be aware of its drawbacks.