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Answer:
The thing that makes the writing assignments easy or difficult depends on the topic at hand and as well as the rules in the forms of writing used. The sense of difficulty relies on your interest towards the topic. If you know the topic will very well and is passionate about it, you will not have much trouble finding words to fill your writing assignments. Furthermore, certain restrictions such as word or paragraph limits may hinder you from writing your best.
Answer: A.) At this point in his life he was familiar with the basic science of electricity.
Explanation: This answer makes the most sense out of all of them and the sentence gives reason enough to believe said character has some knowledge on the laws of electricity. Taking this based off the words "I was not unacquainted with the more obvious laws of electricity." Meaning said character had some prior knowledge, so we can assume he is familiar with the basic science of electricity.
D) simile....................