Which sentence includes a dependent clause?

Responses

She smiled as she opened the package.
She smiled as she opened the package. - no response given

The package was heavy.
The package was heavy. - no response given

Today is her 16th birthday.
Today is her 16th birthday. - no response given

It was a fancy hat!

1 answer

The sentence that includes a dependent clause is:

"She smiled as she opened the package."

The dependent clause here is "as she opened the package."