Once you've connected to a data source, which button would you select to add a first name to your form letter?

a. greeting line
b. insert merge field
c. address block
d. highlight merge fields

Address Block  ( C )

Explanation:

The address block inserts all the fields needed to create a proper formatted form letter. an address block contains the organization,name, address line 1, address line 2 , address line 3 also the city and state. so to add your first name to your form letter you should select the Address Block in the form letter.

A form letter is letter that combines the data to be passed on with unique information inserted into it like the name, address, state or city and the telephone number and email of the individual/s concerned with the data to be passed and it is sent to a specific audience with a specific information.

b and c ( ip address and port number)