【正确答案】 D

【答案解析】Logical predication; Parallelism
The forecaster is making predictions about two different rates. The forecast changes in the rates can be compared using the construction the rate of x will drop while the rate ofy rises; x and y should be parallel.
A There is no referent for those.
B It refers to the rate of addition, creating a nonsensical statement.
C There is no referent for those. Of losses should be singular to parallel of addition.
D Correct. This sentence uses a construction that clearly states the predicted changes in the rates; the rates are expressed in parallel ways.
E There are rises for is wordy and unidiomatic.
The correct answer is D.