Ascuba diver used the expression below to describe his position in relation to sea level.

2 + (–20) + 8

which statement could describe the diver’s movements?
a. starting on a platform 2 feet above sea level, dive down to a location that is 18
feet below sea level, and then rise 8 feet.

b. starting on a platform 2 feet above sea level, dive down to a location that is 20 feet below sea level, and then rise 8 feet.

c. starting 2 feet below sea level, dive down 20 more feet, and then rise to a location that is 8 feet below sea level.

d. starting 2 feet below sea level, dive down 18 more feet, and then rise to a location that is 8 feet below sea level.