Which of the following statements is always true for any circle?
(a) A line drawn through the centre that meets a chord at one of its endpoints is perpendicular to the chord.
(b) Any line drawn through the midpoint of a chord is perpendicular to that chord.
(c) A line drawn through the centre that bisects a chord is perpendicular to the chord.
(d) Any line drawn perpendicular to a chord passes through the centre of the circle.