Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 17 to 18.

Yesterday was my best friend’s birthday, and I wanted to surprise her. ____________
a. While she was out, I decorated the living room with balloons and banners.
b. When she arrived home, we all shouted “Surprise!” and she was speechless.
c. I invited her closest friends and asked them to come early.

Put the sentences (a-c) in the correct order, then fill in the blank to make a logical text.