Which of these sentences is correct?

উত্তর জানতে একটি অপশন বেছে নাও 👇

• কIf I knew you were sick, I'd have called you.
• খIf I knew you were sick, I have called you.
• গHad I known you were sick, I'd have called you.
• ঘIf I had known you were sick I'd call you.