When sunlight falls normally on earth, a luminous flux of `1.57 xx 10^(5) "lumen"//m^(2)` is produced on earth. The distance of earth from sun is `1.5 xx 10^(8) Km`. The luminous intensity of sun in candela will be
A. `3.53 xx 10^(27)`
B. `3.53 xx 10^(25)`
C. `3.53 xx 10^(29)`
D. `3.53 xx 10^(21)`
