根据短文内容，从下列A、B、C三个选项中选择最佳选项，并将代表该选项的字母标号填入题前括号内。
Last Saturday Peter and his family had a picnic in the forest（森林）. Thty went there by car. Peter listened to music. His father went fishing under the tree.
His mother took some pictures. They ate some delicious food and drank some drinks. They played games. They had a good time.
When did Peter's family ahve a picnic ?
Peter and his family went to have a picnic by ________.
What did Peter's father do ?
They__________some food and ________some drinks.
Did they have a good time ?