Please help this is a test!!!!

The expression 6(x-5) means the__. If x=7, the value of the expression is __.

1.-
A. Sum of 6 and the sum of x and 5.
B. Product of 6 and the sum of x and 5.
C. Product of 6 and the difference of x minus 5.
D. Sum of 6 and the difference of x minus 5.

2.-
A.) 3.
B.) 8.
C.) 12.
D.) 18.