Liam is writing a request for a letter of recommendation. he is listing all the information the recipient would need to write the recommendation, including the full name and address or email address of the person to whom the recommendation should be sent. which part of the message is liam working on?

The body

Explanation:

The body is the longest part of a document or letter and is generally split into three  sub-categories: introduction, key material and description.  

The introductory section specifies the letter's purpose.  

The key material contains all the specific information needed and does not have any  fixed duration specifications.

The last section sums up the information given,  reaffirms the purpose of the document.

the answer is account d