This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to create a campaign in salesforce
Sign into your salesforce account.
You will be asked for an email and a password. Although companies usually sign up for salesforce, there is a unique login for each user.

Options are:
[A]. Salesforce's software is based on " cloud computing " where the database is stored on more than 1 server and made available through an internet connection. Go to the " campaigns " tab, which will be toward the left hand side of your horizontal options for your salesforce account..
[B]. After the login you click on " sign in " at the bottom right side of the screen and enter your password. You will be directed to a screen where you can sign in and create your campaign..
[C]. Click on the " log in " button. To enter the password manually, click on the " register us " button at the top center of the page..
[D]. You will be asked to provide a password before you enter your social security number. Sign up for bth/debit card or other merchant credit card in order to have a successful campaign..
The answer is:
[A].