Q. Assertion (A):
Carbon monoxide when inhaled causes death.
Reason (R):
Carbon monoxide combines hemoglobin.

• (A) If both 'A' and 'R' are true and 'R' is the correct explanation of 'A'
• (B) If both 'A' and 'R' are true but 'R' is not the correct explanation of 'A'
• (C) If 'A' is true but 'R' is false
• (D) If 'A' is false but 'R' is true