The clock in Sri's car, which is not accurate, gains time at a constant rate. One day as he begins shopping he notes that his car clock and his watch (which is accurate) both say 12 : 00 noon. When he is done shopping, his watch says 12 : 30 and his car clock says 12 : 35. Later that day, Sri loses his watch. He looks at his car clock and it says 7 : 00. What is the actual time?

A. 5 : 50

B. 6 : 00

C. 6 : 30

D. 6 : 55

E. 8 : 10