According to the passage, communications satellites may be able to cope with all except ______.

A．what the future of health care is like
B．how online doctors operate on patients
C．first-aid kit found wider uses
D．bandwidth is the limiting factor for transmitting images

A．fencing attracted cattle
B．that cattle shield away from the barbed wire
C．making cattle grow more quickly
D．that the garden could be used as a parking lot