Which of the following options is the best substitute for the underlined words in statement I?

Directions: In this passage, errors or parts of a sentence, which have been left out, have been underlined. To correct these errors and correctly complete the passage, choose the correct option.
Statement I: A lioness once gave birth to two kittens and for a time she
Statement II: could not go out hunting. So, her husband, the leopard, went out
Statement III: to hunt and brought home the animals he was killing. One day he could not find any prey. What did you get today?
Statement IV: __________.