Which of the following can be inferred from the passage about the device used to grow crystals in the Space Lab experiment? A. The device is more expensive to manufacture than are the devices used in standard techniques in an Earth laboratory. B. The device has not been used to grow crystals in space since the Space Lab experiment of 1983. C. Crystals grown in the device on Earth tend to be much smaller than crystals grown in it in space. D. Crystals grown in the device in space have been exceeded in size by crystals grown in subsequent experiments in space using other devices. E. The experiments in which the device was used were conducted with proper controls.