The answer is:
<em>A) Aside from a few fresh ingredients, fast food is preproduced, resembling a science experiment more than food preparation.</em>
Because it explains, shortly, the main idea that the text tells.
Fast food preparations methods now are less likely to be found in cookbooks and more likely to be found in trade journals (like a science experiment would), because, everything is already prepoduced (aside some vegetables - fresh ingredients -).
