The correct option is
A All the above
Taxis is a kind of behavioural response of a cell, cell organelles or an organism to an external stimulus such as light or food. It is the orientation of an organism or a cell in a specific spatial relationship to a stimuli. If the movement is towards the stimuli it is positive taxis and if it is away from the stimuli it is negative taxis.
Thus, the correct answer is option D.