下列对子女已经独立生活时赠与的认定，说法错误的是( )。

A．如果父母将自己出资建造的房屋提供给婚姻当事人居住，婚姻当事人形成长期事实上的占有和使用关系，而父母也从未对房屋所有权提出异议的，则可以认定为赠与

B．如果父母出资购置的房屋，把房屋所有权登记在夫妻一方或双方名下，而事实上子女也都知道并且占有和居住的，可以认定为是对子女的赠与

C．如果子女不知道父母出资购置的房屋登记在其名下，也应当认定赠与关系成立

D．对于子女已经独立生活和在经济上独立的，父母没有义务为子女购置房屋

An analyst computes the following ratios for Iridescent Carpeting Inc. and compares the results to the industry averages:

Based on the above data, which of the following can the analyst conclude()

A. Iridescent Carpeting has better short-term liquidity than its competitors.

B. Iridescent Carpeting has per profitability than its competitors.

C. Iridescent Carpeting has more financial risk than its competitors.