
Answer:
c
Step-by-step explanation:
the certain rule is that the first two letters follow each other in the alphabet( AB, XY, EF. KL)
and the sum of the third and fourth numbers should be equal to the last number (3+4=7, 1+8=9, 4+5=9, 2+3=5)
so the answer couldn't be the
a, because 1+2=3 not 5
b , because PO dont follow eachother in the alphabet .
d ,because 4+5=9 not 8