What Is the Boiling Point of a Solution Prepared by Dissolving

What is the boiling point of a solution prepared by dissolving 157.0 g of urea (CH₄N₂O, 60.06 g/mol) in 750.0 g of water? (K_b = 0.512 $\degree$ C/m for water)

A) 98.22 $\degree$ C
B) 101.00 $\degree$ C
C) 99.00 $\degree$ C
D) 101.78 $\degree$ C
E) 100.26 $\degree$ C