We know 35 = 15 (mod 4), 8 = 4 (mod 4), and gcd(5, 4)= 1. Which of the following options give the most complete congruences derived from given congruences?
A. 7 = 3 (mod 4) and 43= 19 (mod 4) and many more... B.43= 19 (mod 4) only C.140= 60 (mod 4) only D. 43 = 19 (mod 4) and 140 = 60 (mod 4) only
O a. B
O b. D
O c. C
O d.A