Sentence Structure
The emergence
------of chronic wasting disease
-----------------------in Idaho,
--------------------------which prides itself on world-class deer and elk hunting and
-------------------------- many people hunt both animals for subsistence,
has caused concern among state officials,
---------as the disease can decimate those animal populations.
Meaning: emergence of some disease has caused some concern and whatever written in between is additional information
Lets analyzed the sentence structure
----in Idaho,
---which prides itself on world-class deer and elk hunting and ( in this part "which" is referring to Idaho) - it is a dependent cause providing additional information
---- many people hunt both animals for subsistence, (but here there is no connector to make it parallel to first part) - it is acting as ICs
so we need need a connector which can connect properly to Idaho - in Idaho, (where) many people..................
A. hunting and
- Sentence structure and parallelism error
B. hunting, many
- Sentence structure and parallelism error
C. hunting and which
- meaning error
- In Idaho, which many people ----------does it make sense ???
D. hunting and where
- Correct
E. hunting, where
- connector (and) is missing
- in this case where will refer to hunting - which illogical