151. To come to the stage of devotional service which of the following is true

a) He can directly engage in devotional service without step-by-step improvements in spiritual realization.
b) One should go to devotional service gradually by performing karma yoga.
c) One should go to devotional service gradually by performing dhyana yoga.
d) One should go to devotional service gradually by performing jnana yoga.

The correct answer is
a) He can directly engage in devotional service without step-by-step improvements in spiritual realization.