单项选择题

Not having been discovered，many laws of nature actually exist in nature（）

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。

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The team didn't expect to win.（）, they were very disappointed at their heavy defeat.

A、 moreover
B、 therefore
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（）many times, but he still couldn't understand it.

A、 Having told
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