At what time between 10'O clock and 11'O clock the hands of the clock are right angle with each other.

A. 8(10/11) past 10 and 37(2/11) past 10
B. 5(5/11) past 10 and 38(2/11) past 10
C. 8(2/11) past 10 and 39(5/11) past 10
D. 7(10/11) past 10 and 37(2/11) past 10