Answer:
The detective has suspected the possibility of foul play.
Explanation:
Note the word "possibility", which means that there is a chance of it occurring, but it is not 100% certain. Therefore, <em>suspected </em>is your best answer choice, as it means <em>having an idea of the existence, without certain proof</em>.
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Answer: Cat owners should be forced to keep their cats indoors because cats overhunt bird species.
Explanation: This one is more logical and has a reasoning rather than b.
It depends what you are writing,some can be factual/informal,others persuasive ect
