Consider the following statements: A- Both acids and bases change colour of all indicators. B-If an indicator gives a colour change with an acid, it does not give a change with a base. C- If an indicator changes colour with a base, it does not change colour with an acid. D-Change of colour in an acid and a base depends on the type of the indicator. Which of these statements are correct?

Options

A. All four
B. a and d
C. b and c
D. only d