The answer to your question would be that the mood of the underlined verb in the sentence is the following one: Indicative.
The indicative mood is a verb form which makes a statement or asks a question. The fact is that the majority of sentences are in the indicative mood. What is more, the main verb (the finite verb) in a declarative sentence (a statement) or an interrogative sentence (a question) will be in the indicative mood.
Answer:As treatment for his disease, Ven is avoiding tobacco and alcohol, eating calcium-rich foods, and lifting weights. Which disease is he most likely being treating ...
