根据短文内容，从短文后所给的选项中，选出能填入空白处的最佳选项。选项中有两项为多余选项。
A Frenchman, Niepce, needed pictures for his business. But he was not a good artist. He put his invention in a window of his house and took a picture of his garden. That was the first photo.
In 1837, a new kind of camera was invented. He took a photo of his reading room. In his picture, you could see everything very clearly, even the smallest things. Soon other people began to use Daguerre's method. Travellers brought back wonderful photos from all around the world.
Then people could take pictures of moving things, although it was not simple. The photographers had to carry a lot of film and machines. But this did not stop them.
With the development of science and technology, a Chinese young man, Wang Mengqiu, invented Hover Camera (无人相机). It can record people and things more wonderfully.
Hover Camera records movements with a 13 MP camera and takes 4K video. You can use a smartphone to control it. It can follow you, flying or staying in mid-air. In this way, it can get the perfect pictures. It can be folded (折叠), so it can be put into a small bag. When the power is low, it can land safely.
A. In about 1840, photography was developed faster.
B. Few people were interested in taking photos.
C. So he invented a very simple camera in 1826.
D. And Hover Camera is easy for the users to carry.
E. The man who invented it was Daguerre, also French.
F. At that time, cameras were much too expensive.
G. He became well-known because of Hover Camera.