To complete the sentence logically, we must understand the comparative structure typically used in such sentences. The sentence provided is:
"The more we looked at the piece of modern art _______"
This sentence structure features a comparison that implies a correlation between the two actions or feelings. In English, a common structure for such comparison uses the phrase "the more...the more/the less..." or "the more...the better..."
Given the options:
Let's analyze each option:
Based on the explanation above, the correct answer is "better we liked it" as it properly uses the comparative correlation structure "the more...the better," reflecting that as they looked more, their liking increased.
Therefore, the complete sentence would be: "The more we looked at the piece of modern art, better we liked it."
This sentence uses the correlative pattern "the more..., the better...", where two comparative clauses are linked and must match in structure.
Only option B correctly completes the "the more..., the better..." structure, so B is correct.