Bradley and Kelly are out flying kites at a park one afternoon. A model of Bradley and Kelly’s kites are shown below on the coordinate plane as kites BRAD and KELY respectively. Which statement is correct about the two kites?

AThey are similar because BR:DB is 1:2 and KE:YK 1:2.
BThey are similar because BR:DB is 1:5 and KE:YK is 1:5.
CThey are not similar because BR:DB is 1:5 and KE:YK is 1:2.
DThey are not similar because BR:DB is 1:2 and KE:YK is 1:5.