B. Imagery
When you read first frost, it makes you think of winter, the first brush of cold and ice.
It is A, a gloomy day. when u think of black clouds, its gloomy, almost like its going to rain. it cant be the sun is setting because when it sets, clouds are sort of pinkish.if the clouds are moving, that really has nothing to do with the sentance. i hope this answer has helped.
The following can be used <span>as a hook in the introduction of an informative essay:
</span>an analogy<span><span> -explanation of one thing in terms of another, comparison of two thing,the ways in which they are alike </span>are highlighted
a dictionary definition - the terms that are used in the essay can be defined with dictionary definitions
an in-depth analysis</span><span> - examination of the components of the object of interest</span>