She is _____ careful girl ______ she hardly makes mistakes in the exam.  [      ]

A. so, that      

B. such, that      

C. a such, that    

D. such a, that

宁天城际大厂东基地位于葛塘站附近，占地18.8公顷。采用西端与正线葛塘站连接，与正线平行的非贯通式布置。