The correct option is B direct
The best fit for both the sentences I and II is option C, Direct. Direct means straight and it also means manage or administer. The first sentence means that the light of the truck was falling directly into his eyes. Second means that after the death of the manager, no one could properly direct or administer the company. Option A 'correct' means something that is error free. Option B 'head' means to lead. Option D 'hook' means attach or fix. Option E 'line' means group of people or things arranged in a row. So, the options A, B, D and E doesn't fit together. for both sentences Thus, the word that fits in both the sentences is Option C, direct.