Which of the following floral formulae represents a zygomorphic flower with diadelphous androecium and superior ovary?

• A

  
  
• Correct answer
  B

  
  
• C

  
  
• D

  $\oplus \sigma^{\prime} \mathrm{K}_{(5)} \mathrm{C}_{(5+5)} \mathrm{A}_{(\infty)} \underline{\mathrm{G}}_1$

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