Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A firm does its business in a perfectly competitive market. If the firm can stay in the market in the short run but is expected to exit the market in the long run, which of the following situations is the firm most likely facing now?
Option A:Average revenue is less than average total cost but more than average variable cost.
Option B:Marginal revenue is more than average total cost.
Option C:Price is less than average variable cost.

Answer: A