$A B C$ is a triangle right angled at $B$. The hypotenuse $(A C)$ is four times the perpendicular $(B D)$ is four times the perpendicular $(B D)$ drawn to its from the opposite vertex and $A D \lt D C$. What is angle $A B D$?

• Correct answer
  A

  $15^{\circ}$
• B

  $30^{\circ}$
• C

  $45^{\circ}$
• D

  None of the above

Hence, the correct answer is option: 'A'.