The following diagrams represent the types of aestivation in corolla. Identify the correct combination of labelling.
 

• A

  A-Valvate, B-Vexillary, C-Twisted, D-Imbricate

• B

  A-Vexillary, B-Imbricate, C-Twisted, D-Valvate

• C

  A-Valvate, B-Imbricate, C-Twisted, D-Vexillary

• D

  A-Valvate, B-Twisted, C-Imbricate, D-Vexillary