The definition of wrench is: a sudden violent twist or pull. So I would go with choice D.
They dont like taratulas..+the aurthor is trying to be thoughtful of others
<em>Once the pollen grain is recognized and hydrated, the pollen grain germinates to grow a pollen tube. There is competition in this step as many pollen grains may compete to reach the egg. The stigma plays a role in guiding the sperm to a receptive ovule, in the case of many ovules.</em>
<em>#</em><em>p</em><em>g</em><em>l</em><em>u</em><em>b</em><em>e</em><em>s</em><em>t</em><em>i</em><em>e</em><em>h</em><em>e</em><em>r</em><em>e</em>
