In Following  questions to a part of the sentence is bold. Below are given alternatives to the underlined part as a: , b: and c: which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is d: .
On one occasion he persuaded me to accompany him on a shooting expedition he was planning.
When she regained consciousness she was stretched in the ditch out, soaked to the skin.
Birds sit on the boughs of trees in my garden and with their sweet notes fill the air with music.
India will enter the league of major developed nations as a space giant within a short time.
