从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
There was a heavy fog this morning, so no plane could ______ on time.

A．People are sure about the causes of the lean.
B．People agree that Leaning Tower must be reconstructed.
C．People have not given up the idea to save Leaning Tower.
D．Galileo did the experiment and did harm to the Tower.

A．The small garden.
B．The modern kitchen.
C．The bid sitting room.