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: Once a wood-cutter had cutting a tree on the bank of a river.
Statement II: Fortunately, his axe fell into the river. He was helpless and
Statement III: began to weep. The goddess of the water heard it. She said to him, “Why are you weeping?” The wood-cutter
Statement IV: said _____________.