At the depth of 10 m, the diver breathes in air from a scuba tank, filling her lungs with air whose pressure equals that of the surrounding water. She then shoots up to the surface holding her breath. When she reaches the top, find the excess pressure of the air in her lungs over the outside air, assuming her lung volume cannot expand beyond 6 L.

A. 1 atm less
B. No difference
C. 1 atm more
D. 2 atm more
E. 10 atm more