Kunal sighed and sat down next to the dog—if he that baxter would be this much trouble, he would have asked amira to find alternative pet care. which of these correctly forms the subjunctive mood of this sentence? a) knew b) knows c) had known d) had to know

The correct answer is C. had known.

 The subjunctive mood is formed with if and would, and the purpose is to express the idea of a situation that is not real or an immaginary one. Like a conditional, it states what could or would happen if the situation were different. If he had known this fact would happen, he would have done it differently.

there is no passage.