Compared with the total number of Britain's National Health Service hospitals, the hospitals which have art collections is only ______.

A．Standard English is based on tile London dialect of English.
B．Standard English is based on the Winchester dialect of English.
C．Standard English developed after the Norman conquest.
D．Standard English had come into being since the second half of the 11th century.

A．patients no longer need drugs in their recovery
B．patients are not wholly dependent on expensive drugs
C．patients need good - quality, drags in their recovery
D．patients use no painkillers in their recovery