How many times “Fabi Ala i Rabbikuma Tukazziban “mentioned in Surah Rahman?

A. 34 times
B. 30 times
C. 33 times
D. 31 times

The Phrase of Surah Rahman- FABI AYYI ALA I RABBIKUMA TUKAZZIBAN IN ARABIC: فَبِأَىِّ ءَالَآءِ رَبِّكُمَا تُكَذِّبَانِ. The meaning of fabi ala i rabbikuma tukazziban is,

“Which, then, of your Lord’s blessings do you both deny?”