铸造固定桥桥体常采用的焊接方法是

A．转移焊接法
B．前焊接
C．后焊接
D．离模焊接法
E．连模焊接

"Goodbye, then, "she said, without even ______ from her book.[ ]

A. looking down  

B. looking up

C. looking away  

D. looking on