When the whole area was () by the flood, the government sent food there by helicopter.

单项选择题() he realized it was too late to return home.

A. No sooner it grew dark when
B. It was not until dark that
C. Scarcely it grew dark than
D. While it grew dark that

单项选择题She doesn't talk much, but what she says makes ().

A. sense
B. idea
C. meaning
D. significance