Explanation/Reference:
B (not A):
* Incoming email for SharePoint 2013 uses the SMTP service. You can use the SMTP service in one of two ways. You can install the SMTP service on one or more servers in the farm, or administrators can provide an email drop folder for email that is forwarded from the service on another server.
* If you are not using a drop folder for email, the SMTP service must be installed on every front-end web server in the farm that you want to configure for incoming email.
F (not D):
* The basic scenario applies to a single-server farm environment and is recommended if you want to use default settings. The advanced scenario applies to a single-server farm or a multiple-server farm and contains several advanced options from which to choose
* To configure incoming email in an advanced scenario
Verify that the user account that is performing this procedure is a member of the Administrators group

on the server that is running the SharePoint Central Administration website.
In Central Administration, click System Settings.

On the System Settings page, in the E-Mail and Text Messages (SMS) section, click Configure

incoming e-mail settings.
If you want to enable sites on this server to receive email, on the Configure Incoming E-mail Settings

page, in the Enable Incoming E-Mail section, click Yes.
Select the Advanced settings mode.

etc.
Not C, not E: The SharePoint Foundation Web Application service is not running on the application server.
Reference:https://technet.microsoft.com/en-us/library/cc262947.aspx