Assertion (A): The Quit India Movement, launched in 1942, was a spontaneous mass uprising.
Reason (R): On the eve of the movement, Gandhiji and all major Congress leaders were arrested, leaving the movement leaderless.
ABoth (A) and (R) are true, and (R) is the correct explanation of (A)
BBoth (A) and (R) are true, but (R) is not the correct explanation of (A).
C(A) is true, but (R) is false.
D(A) is false, but (R) is true.