Answer: D: Saxophones combine features of woodwind and brass instruments, so conductors have difficulty knowing which section to put them in.
Step-by-step explanation:
In the text, it talks about how odd the saxophone is, as it is a mixture of brass instruments, and woodwinds. Then, the text talks about how most orchestras don't know where to put the saxophones, and how most saxophones are not in a classical symphony orchestra.
Hope I helped! :)