Which of the phrases (A), (B), (C) and (C) given below should replace the phrase given in bold in the following sentence to make the sentence grammatically meaningful, and correct? If the sentence is correct as it is, and no correction is required, mark (E) as the answer.

Q:

He is a good leader, Knowing that to motivate his employees to achieve.

• 1
  that known when
• 2
  who knows how
• 3
  which knows how
• 4
  knowing what
• 5
  No correction required