Nhận biết (M1)

In the early 2010s, the price of collectible and rare Lego sets rose dramatically, which had the counterintuitive effect of __________ demand: buyers who hadn't previously wanted to purchase Lego sets thronged the market, believing prices would continue to rise and the sets could be resold later at a profit.

Which choice completes the text with the most logical and precise word or phrase?

• A.

  catalyzing

• B.

  monetizing

• C.

  exploiting

• D.

  appraising