B. Start at -7 on the number line and move 11 to the right is the correct interpretation.
Explanation:
Step 1:
In order to plot the expression
we plot the numbers individually on the number line. The 7 indicates moving 7 units and its negative symbol means that we move to the left.
-7 means we start 7 units left to 0.
Step 2:
The negative of a negative is positive. So
becomes
The positive symbol means we move to the right for 11 units.
So we start at -7 and move 11 to the left to land on +4.
So the answer is option B.