What sentence demonstrates a subject verb modifier pattern A. Shelly served dinner after spending hours preparing meal. B. the meal dinner. C. Afte?

The sentence that demonstrates a subject-verb-modifier pattern is A. Shelly served dinner after spending hours preparing the meal.

Here's why:

* Subject: Shelly

* Verb: served

* Modifier: "dinner after spending hours preparing the meal"

Let's break down the modifier:

* Direct Object: dinner

* Prepositional Phrase: after spending hours preparing the meal (modifies "served")

* Participle Phrase: spending hours preparing the meal (modifies "Shelly")

Explanation of why the other options are incorrect:

* B. the meal dinner: This is not a sentence and doesn't have a subject or verb.

* C. Afte?: This is a fragment of a sentence and lacks a complete thought.