Mrs. Martin went shopping for a doll for her daughter. She found five dolls that all cost the same amount. The price for all five dolls was less than $155. If b represents the price of a single doll, which of the following inequalities represents this information?
A. 5 × b < $155
B. 5 + b < $155
C. 5 × b < $155
D. 5 + b < $155