Mr. Smith’s decision to attend_________ceremony tomorrow can be seen as________gesture of his intention to improve ________the relationship.

A．the, a, the

B．a, a, the

C．the, the, a

D．a, the, a

他国公司股票在美国上市通常采用（）形式。

A．股票 

B．股票期权 

C．权证 

D．存托凭证