Question

ricky wrapped his arm around alexs shoulders and led her to the dance floor. \you know, salsa dancing cures everything, alejandra,\ he said, calling alex by her full name like he and gabby always did.
alex playfully rolled her eyes and felt her shoulders ease as she and ricky joined the other dancers who had partnered up for the rueda, or circle formation, their crowd - pleasing group dance number.
how does alex respond to rickys actions and comment about salsa dancing?
alex starts to feel tired.
alex starts to feel irritated.
alex starts to feel relaxed.

Explanation:

The text states that Alex "felt her shoulders ease" when joining Ricky on the dance floor. "Ease" implies a relaxation of tension. The other options ("tired" and "irritated") are not supported by the text.

Answer:

Alex starts to feel relaxed.