Diplomatic misunderstandings can often be traced back to ________ in translation, so we have to train qualified translators.

A．stimulate
B．forge
C．fabricate
D．simulate

A．it is vital for us to be truthful to each other
B．lying will be checked by more advanced lie detectors
C．a lie detector can make a good record of nerve impulses
D．a liar benefits himself from lying, but only at the cost of others