Lying on a sofa, Risma laughed remembering what she experienced last holiday. On that (44)..., Risma and her classmate planned to climb a mountain. They agreed

Lying on a sofa, Risma laughed remembering what she experienced last holiday. On that (44)..., Risma and her classmate planned to climb a mountain. They agreed to meet at a bus stop in front of a big mall in the city.
When she reached the bus stop, she could not find her friends. She saw no one in front of the bus except the driver. Risma wondered if she came too early. She (45)... she was mistaken about the time. The driver then asked her to get on the bus.
(46)...she got in, Risma was very surprised and embarrassed to know there were no one in the bus except her and the driver. As the bus left, she realized that she mistakenly came to a wrong bus stop.

44. A. Day
B. Seat
C. Sofa
D. Bus

45. A. Asked
B. Thought
C. Stated
D. Cried

46. A. As soon as
B. In order
C. So that
D. If only