Question: ( define ( f xs ) ( if ( eq ? xs ( ) ) ( + ( car ( cdr xs ) ) (

(define (f xs)
(if (eq? xs ())
(+(car (cdr xs))(f (cdr (cdr xs))))))
When the definition has been made and the expression (f '(12345678)) is e of the following statements is true:
A : The result is 20.
B : The result is 16.
C: A runtime error occurs because cdr occurs inside cdr.
D: The result is 36.
E: The result is O.

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