It is greatly            that Arthur gave back the money he found. [      ]

A. in his credit    

B. to his credit 

C. at his credit   

D. with his credit

结核杆菌典型的形态为（）

A.细长略弯曲，无鞭毛

B.粗短且弯曲，无鞭毛

C.细长略弯曲，有鞭毛

D.细长、无弯曲、有鞭毛

E.粗短无弯曲，有鞭毛