Which sentence is the most formal in diction and style?
a. i request the honor of your presence for a meal at my humble abode.
b. hey! come over for dinner at my house.
c. hey man, want to catch up over a meal at my place?
d. let’s have dinner at my house tonight!

The correct answer is A. I request the honor of your presence at my humble abode. Abode is a formal way to say where someone resides. I request the honor of you presence is a very formal manner to say I would like you to come or even more informal I want you to come.

A.  I request the honor of your presence for a meal at my humble abode

Explanation:

For plato users

a conclusion based on evidence is an example of a. inference

i believe it may be the hope this sorry if i'm wrong.