need help now, i will. make u brainly

Maren is a computer software engineer. Today, she worked from 6 am until noon. Then she ate lunch from noon until 1 p.m. After lunch, she worked another 4 hours. Noi counting lunch, how many hours did Maren work today?
A 10 hours
B 11 hours
C 12 hours
D 9 hours​