![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Which of the following sentences is a transition in the speech?
A.
Let’s pause for a moment to summarize what we have found so far.
B.
I will focus on three solutions.
C.
Now that we have seen how serious the problem is, let’s look at some solutions.
D.
The first cause is inefficient agricultural products.