試題詳解

48 According to the passage, how has the Minnesota Zoo benefited from their new project for the beavers?
(A) The Zoo has to hire more people to work for the beavers.
(B) The Zoo has more beaver families and baby beavers.
(C) The Zoo has to spend more money building houses for the beavers.
(D) The Zoo attracts more visitors to see the beavers.