A block of volume 100cc, density `5g/(cm)^(3)` and specific heat `0.1(cal)/((gm)^(0)C)` is heated from `30^(@)C` to `50^(@)C` the thermal capacity of the block is
(A) `50(cal)/(^(@)c)`
(B) 50gm
(C)`5(cal)/(^(@)c)`