【题目】We still have a long way to go _________ our project has been carried out smoothly so far.
A. now that B. so that
C. as though D. even though
在线课程【答案】D
【解析】
试题分析：A. now that既然；B. so that以便；C. as though似乎，好像；D. even though虽然，即使。句意：
虽然我们的工程到目前为止进展顺利，但我们仍然有很长的路要走。根据句意选D.