根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Without plants, people could not live. We eat plants. ___71___ And we need plants for another reason—we need them because they are beautiful.
___72___ Imagine no flowers with their sweet smells, their beautiful colours and their lovely shapes. Imagine, when the wind blows, we are not able to hear the leaves of the trees or watch the branches swing from side to side.
___73___ That is why we have parks full of trees and flowers. That is why people always like houses with room for some grass and a garden.
Do you talk to your plants? ___74___ Peter Tompkins and Christopher Bird, writers of a book called The Secret of Plants, tell of an experiment in which two seeds were planted in different places. While the plants were growing, one plant was given love and hopeful ideas. ___75___ Under the earth it had more and longer roots; above the earth, it had a thicker stem and more leaves.
A．Plants get energy from the sun.
B．Do you give them love and take good care of them?
C．After six months, the deserted plant faded（凋谢）away.
D．After six months, the beloved plant was bigger.E. We take in oxygen that plants make.
F. Everywhere people need beautiful plants.
G. Imagine a world with no plants.
71.______ 72.______ 73.______ 74.______ 75.______
