10.算術運算式 轉為程式語言表達方式，下列何者正確？
(A) v = p2 – p1 / (t2 – t1);
(B) v = (p2 – p1) / (t2 – t1);
(C) v = p2 – p1 / t2 – t1;
(D) v = p2 – (p1 / t2 – t1);