A piece of stone attached to one end of a string is whirled round in a horizontal circle. When the string is suddenly cut, the stone will

A.

move towards the centre of the circle

B.

stop moving immediately

C.

move along a circular path of smaller radius

D.

fly off in a direction tangential to the circular path

E.

acquire greater centripetal force

Correct answer is D

No explanation has been provided for this answer.