如题所述
C
和difficult，difficulty搭配的状语从句的连词分别是however
difficult,
whatever
difficulty,
根据they
might
have
可知，此处句型为sb
have
difficulty
(in)
doing
something，因此排除A.B。句意为他们承诺在今年年底要开发一个软件包，无论可能会有什么样的困难。无论有什么样的困难，即whatever
difficulty
they
have
或者no
matter
what
difficulty
they
have,或者however
difficult
it
might
be,
no
matter
how
difficult
it
might
be.
排除D项。故选择C项。
【考点定位】考察状语从句。
和difficult，difficulty搭配的状语从句的连词分别是however
difficult,
whatever
difficulty,
根据they
might
have
可知，此处句型为sb
have
difficulty
(in)
doing
something，因此排除A.B。句意为他们承诺在今年年底要开发一个软件包，无论可能会有什么样的困难。无论有什么样的困难，即whatever
difficulty
they
have
或者no
matter
what
difficulty
they
have,或者however
difficult
it
might
be,
no
matter
how
difficult
it
might
be.
排除D项。故选择C项。
【考点定位】考察状语从句。
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