We should— when we want to glimpse inside the sun.

A. You can grow vegetables vertically.
B. You can raise plants in a confined area.
C. You can plant a wide variety of plants together.
D. You can make a lot of profit.

A. the assumption that human experience can change human brain structure has already been widely proved
B. human experience can change brain structure
C. stroke patients can restore mobility by themselves
D. people blindfolded for several days can still have visual ability