问题
单项选择题
______ the help this computer may provide, it should not be seen as a substitute for fundamental thinking and reasoning skills.
A．For all
B．Even with
C．But for
D．In case of
答案
参考答案：A
解析：短语介词for all用来表示让步“尽管”，如果接句子，用for all that…。but for“若不是”；in case of“万一”。