问题：
[单选题]下句划线部分词语的意思与哪个选项最为接近？（） Dr. Jack Thrasher estimated that as many as 40 percent of American schools and 25 percent of homes have mold infestations, unbeknownst to the people occupying those buildings.
A模具
B霉菌
C框架
D个性
[单选题]下句划线部分词语的意思与哪个选项最为接近？（） Dr. Jack Thrasher estimated that as many as 40 percent of American schools and 25 percent of homes have mold infestations, unbeknownst to the people occupying those buildings.
A模具
B霉菌
C框架
D个性
