試題詳解

4 Odors are comprised of hundreds of volatile compounds, and these complex mixtures and their varied reactions complicate odor management.
(A) Odor management involves analyses of a multitude of volatile compounds and the complex combinations that constitute odors and reactions.
(B) It is difficult to control and manipulate odors because odors are made up of many volatile compounds and can vary in a multitude of mixtures and reactions.
(C) Odors are made up of a multitude of volatile compounds, and each odor is made up of a unique mixture of compounds and may elicit varied reactions.
(D) Managing odors in an office is a complex process as it involves hundreds of voluntary workers who are likely to react to odors in many different ways.