听力原文:A further drop in sales was sustained over the following months, but after that the situation picked up and the sales increased quite sharply. (28)
A.
In the following months, the sales will increase after initial drop.
B.
It's hard to sustain the increase of sales, thus it keep dropping in the following months.
C.
The sales went through ups and downs in the past months.
D.
The sales situation is on the rise from the very beginning.