We should abide by the rule ___
We should abide by the rule ___
A: with
B: of
C: by
D: at
The phrase “abide by the rule” uses the preposition “of” in standard English; meaning to follow or comply with rules. Other prepositions like “with;” “by;” or “at” do not fit this context. This question tests knowledge of prepositional phrases; with option B being the correct choice for grammatical accuracy.