The following passage violates which of the basic principles for effective sentences listed below? (Choose all that apply.)
The site marks the beginning of a first-year riparian forest buffer. Monitoring equipment was located essentially where this stream joined Cook Creek at the end of the forest riparian buffer. Monitoring data indicated improved water quality within the tributary. It is our opinion that this could be the result of the riparian forest buffer being created. A.

Avoid euphemisms. B.

Avoid unnecessarily fancy words. C.

Avoid wordy phrases. D.

Avoid filler.