Select the letter of the most appropriate topic sentence for the
following group of supporting statements:
She slowly opened the door to her first classroom of the day. Glancing
around nervously at a sea of unfamiliar faces, she took a deep breath
and strode to the teacher's desk. Time seemed to stand still as she
waited in the front of the class for the teacher, but she managed to
smile and appear calm.
a. Rosa looked forward to her first day in the new school.
b. Rosa was apprehensive about her first day in the new school.