Answer:
The sentence is C. complex.
Explanation:
A complex sentence is the result of joining together an independent clause and a dependent or subordinate clause.
An independent clause is able to express a complete thought, making sense on its own. That is the case with the first clause in the sentence:
"The muscles in my wrist are cramping."
A dependent clause, on the other hand, is not able to express a complete thought on its own. It needs the main clause to give it context. A dependent clause begins with a subordinating conjunction - in this case, "as":
"As I struggle to type my essay."
Therefore, what we have in "The muscles in my wrist are cramping as I struggle to type my essay" is a complex sentence.
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I'm not sure that Moon Shadow found it as difficult to fit in, as he found it difficult to comprehend the things he was surrounded by. He was curious about his father, and yet, he was frightened by the things his father was excited to show him. Moon Shadow was uncomfortable and frightened by the electric light, the ear phones, the crystal set, the strangely constructed machines, all of which he believed to be some kind of magic.
"I didn't say anything, but father realized I was scared from the way I was shaking".