Read the following article and answer the question. Article: That was my grandmother's first Christmas without Grandfather. When my parents and I arrived at her little house ,we found she had waited up all night for us. Grandfather had always said that the Christmas tree was the most important decoration of all. So first we took out the beautiful tree that was stored in the closet . But the star was _ . It was my grandmother's favorite part of the tree. "Why? It must be somewhere in the closet," my grandmother said. As we opened up boxes one by one and found no star, my grandmother's eyes were full of tears. Grandfather had given it to her some fifty years ago, on their first Christmas together. But on her first Christmas without him, the star was gone. The next morning, my family sat down together to open the presents. "The last gift is to Grandmother from Grandfather," Father said, in a strange voice. "From whom?" There was surprise in my grandmother's voice. "I found this gift in Grandfather's closet when we got the tree down," Mother explained. My grandmother opened the box. There was a shinning golden star and a note in it: Don't be angry with me, dear. I broke your star while putting away the decorations, and I couldn't bear to tell you. I hope it brings you as much happiness as the first one. Merry Christmas! Love, Bryant ,A, B, C, D,. (10) Question: The family couldn't find the star on the Christmas tree because _ . Answer:
Available choices: A). the grandfather had taken it away with him; B). the grandfather put it in a box; C). the grandfather had broken it; D). the family didn't look carefully enough for it;
Answer:
C).