The question is asking about the main issue or problem in the story of "Obidiya". To answer this question, we need to identify the central conflict or challenge faced by the main character, Obidiya. Among the given options:
- "Ikpe ala na nsogbu na-esote ya" means "theft of yams and the resulting problem."
- "Ibu agha n’obodo dị iche iche" means "conflict or fighting in the community."
- "Obidiya na obi ọjọọ ya" means "Obidiya and his strong will or determination."
- "Ihe ụkọ na enweghị ego" means "lack of money to pay a debt."
Out of these options, "ikpe ala na nsogbu na-esote ya" refers to the main issue in the story, which is the theft of Obidiya's yams and the resulting problem that he faces in trying to recover them. Therefore, this option is the correct answer to the question.