Which of the following correctly defines left-most derivation?

A)  Sentential form of an input is scanned and replaced from left to right
B)  Sentential form of an input is scanned and replaced from right to the left
C)  Both (A) and (B)
D)  None of the above

Correct Answer :   Sentential form of an input is scanned and replaced from left to right


Explanation : Sentential form or more specifically left sentential form of an input is scanned and replaced from left to the right in left-most derivation