Answer:
The correct option is 2.
Explanation:
From the given number line it is clear that there are 4 jumps of 2 units in opposite direction.
After first jump, the total covered distance is

After second jump, the total covered distance is

After third jump, the total covered distance is

After fourth jump, the total covered distance is

It means the product (-2)(4) is modeled by the given number line.
Therefore the correct option is 2.