托福词汇440题第427题 The most thoroughly studied cases of deception strategies employed by ground-nesting birds involve plovers, small birds that typically nest on beaches or in open fields, their nests merely scrapes in the earth. The word "merely" is closest in meaning to which of following? (A) often (B) only (C) usually (D) at first 托福词汇440题第427题答案:B