A.人们还没有发现自然当中存在许多法则。 B.还没有被发现，许多自然的法则实际上存在于自然当中。 C.自然中存在许多规律，这一点，还没有被人发现。 D.虽然还没有被人类发现，但是，许多自然规律实际上存在于自然当中。
单项选择题The team didn't expect to win.（）, they were very disappointed at their heavy defeat.
A、 moreover B、 therefore C、 nevertheless D、 so that
单项选择题（）many times, but he still couldn't understand it.
A、 Having told B、 Though he had been told C、 Having been told D、 He had been told
