According to the passage, the use of mobile phone is unlikely to cause ______.

A．People will be forbidden to use mobile phone.
B．People dare not use mobile phone because of its radiation.
C．People will continue to use mobile phone.
D．There will be new restrictions on the use of mobile phone.

A．shippers will be charged less without a rival railroad
B．there will soon be only railroad company nationwide
C．overcharged shippers are unlikely to appeal for rate relief
D．a government board ensures fair play in railway business