Question

Why is it considered bad manners to leave the Subject field blank?

A. If there is no subject, recipients cannot use the Reply All feature to respond to the e-mail.
B. If there is no subject, the e-mail cannot be sent to more than one recipient.
C. If there is no subject, the recipient has to open the e-mail to see what it is about.
D. If there is no subject, the e-mail sends more slowly than an e-mail with a subject.

Answer 1

D-If there is no subject, the recipient has to open the e-mail to see what it is about.

Step-by-step explanation:

Answer 2

The answer is C...
You may reply to unsubjected emails. You may send an unsubjected email to multiple people and they may do the same. And the last one is just a trick question. It's not slower.