What is the output of the following statements, given that the variable Num1=3 and the variable Num2=5？printf（“The sum of %d + %d is 6.”, Num1, Num2）（）

A. The sum of 3 and 5 is 8

B. The sum of 3 and 5 is 6

C. The sum of Num1 and Num2 is 8

D. The sum of Num1 and Num2 is 6