Nhận biết (M1)

The discoverers of the minor planet 2731 Cucula named it after the animal genus that includes cuckoos. Most of the recently discovered minor planets, however, are given only an identification number, a trend that can be __________ to there being over 500,000 such bodies known at present, making it nearly impossible to find a unique name for each.

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

• A.

  attributed

• B.

  referred

• C.

  alluded

• D.

  entrusted