Answer:
d. Sisera
Step-by-step explanation:
From the story or Bible verse. It is apparent that Deborah who happened to be a prophetess is the leader of the Israelites. Lappidot was her husband. And Barak the son of Abinoam who is from Kedesh but lives in Naphtali is the leader or commander of her army. While the Jabin's army they want to fight was led by Sisera.
Hence, in this case, the correct answer is that SISERA was the commander of the enemy's forces