A clock strikes once at 1 o’ clock, twice at 2 o’ clock and thrice at 3 o’ clock, and so on. If it takes 8 seconds to strike at 5 o’ clock, the time taken by it to strike at 10 o’ clock is

• A. 14 seconds
• B. 16 seconds
• C. 18 seconds
• D. None of the above