(01.02 MC)Betty had $70. She bought a necklace for $9 and a ring for $7. Which expression correctly shows the total money Betty has left?
A $70 − (−$9) + (−$7)
B $70 + (−$9) + (−$7)
C $70 − (−$9) − (−$7)
D $70 + (−$9) − (−$7)

answer choices
A
B
C
D