The sentence that uses an introductory comma correctly is option 1) “Wishing she'd just called in sick, Suzy unlocked her filing cabinet and began her daily work.” In this case, the comma is used after the subordinate clause to introduce the main sentence.
Option number 2 is not using an introductory comma, but the comma is separating two ideas.
And in option number 3, the comma is used to list a series of related items (eggs, milk, and bread).
They both promised fair to grow up as rude as savages; the young master being entirely negligent how they behaved, and what they did, so they kept clear of him.
He would not even have seen after going to church on Sundays, only Joseph and the curate reprimanded his carelessness when they absented themselves; and that reminded him to order Heathcliff a flogging, and Catherine a fast from dinner or supper.
Hindley in a passion told us to bolt the doors, and swore nobody should let them in that night.
Here are some words
decaying.
decomposable.
destructible.
easily spoiled.
short-lived.
unstable.
The answer is C. None of the other answers make much sense.