Which choice completes the text with the most logical transition?

Bees pollinate a large share of the world's crops. ______, a decline in bee populations threatens food production.

Answer and explanation

Correct answer: A. Therefore

  1. Step 1: Analyze the logical flow: the first sentence establishes bee importance, and the second states the threat resulting from their loss.
  2. Step 2: Identify the transition needed: a cause-and-effect transition indicating a conclusion.
  3. Step 3: Select Therefore, which signals that the threat follows logically from the premise.
Answer
Therefore.
Why not the others: In contrast incorrectly implies contradiction rather than a logical consequence.

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