（）take direct eye contact as a sign of honesty and sincerity，although it should not be too intense.

A.Americans take direct eye contact eye as a sign of honesty and sincerity.
B.Indians do not maintain continuous eye contact while talking with others.
C.Japanese used to focus on a speaker's neck instead of his/her eyes.
D.A romantic interest is usually implied when the eyes of two strangers meet and linger in France.

A.Express appreciation for the order and identify it by the customer's order number or by date if the order is unnumbered.
B.Express regret that either all or some identified items cannot be shipped and state the reason.
C.Give a guarantee to the customer that the items will be shipped in time.
D.If one or more items have been discontinued，suggest an alternative for the customer.

A.interest；excitement
B.sincerity；excitement
C.interest；sincerity
D.excitement；happiness