In the park , the number of the visitors is tightly to avoid damaging the environment or putting stress on the animals.
A. limited
B. intended
C. expected
D. encouraged
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(答案→)A. limited
B. intended
C. expected
D. encouraged
解析：考查动词：A. limited限制，B. intended 打算C. expected期望D. encouraged鼓励，句意是：公园的游客数量被严格限制，以免破坏环境和对野生动物造成压力。.选A。