Arrange proper sequence of the steps in stone grafting in Mango -
(A) Top portion of the root stock is cut off leaving 7 to 8 cm stem.
(B) The scion is inserted in the vertical cut of the root stock and tied with polythene strip.
(C) A scion is given slanting cuts from both the ends giving it a wedge shape.
(D) A vertical cut of about 2-3 cm length is given to it.
Choose the correct answer from the options given below: