先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案.

    Tom and Mike had a very good time last Sunday.That morning，they1at six o'clock and dressed(穿衣)themselves.2having breakfast，they went to the park.It's in the centre of the city. In the park.there were a lot of nice flowers.Mike wanted to 3one，but Tom stopped(阻止)him.He told Mike it was not.4to pick flowers.Then they went to the lake.By the lake,they saw a small5.They jumped into it and started a tour on the lake.Two hours6,they left the lake and walked up the hill(小山)near the lake.They got to the top at half past eleven.There they had their lunch.7did they have for lunch?Eggs，bread and oranges.In the afternoon,they 8home.When their mother asked them about the morning，9answered，"It was great.We10ourselves(我们自己)all the morning."