The virus keeps moving, finding the nearest cell it can and attaches to it, starting the whole destructive process over again.

病毒不断移动，找到它能找到的最近的细胞并附着在上面，重新开始整个破坏过程。

Three of the answer choices below are used in the passage to illustrate constructive processes and two are used to illustrate destructive processes.

下面三个答案都对建造流程进行了描述，两个对破坏性流程进行了描述。