If a string S is accepted by a finite state automaton, S=s1s2s3……sn where siϵ∑ and there exists a sequence of states r0, r1, r2…… rn such that δ(r(i), si+1) =ri+1 for each 0, 1, …n-1, then r(n) is:

• A. initial state
• B. transition symbol
• C. accepting state
• D. intermediate state