Which of the following is least likely to be considered a drawback of utilitarianism()

A. Wealth transfer from the rich to the poor is expensive.

B. High income earners will work more.

C. Cost of tax administration associated with wealth transfers.

某女，29岁，初孕妇，妊娠32周。因疲劳乏力、胸闷、气急1周急诊入院。过去无心脏病和肝病史。检查：面色苍白，血压130/70mmHg，心率120次/分，心尖区闻及Ⅱ级收缩期杂音，肺底部有湿啰音，下肢水肿(+)。宫高29cm，胎心率138次/分。血红蛋白70g/L，白细胞5×10g/L，血小板150×10g/L，尿蛋白(-)。

入院后积极治疗1周，孕妇一般情况好转，检查：心尖区闻及Ⅰ级收缩期杂音，肺部正常。血红蛋白90g/L，白细胞5.2×10g/L。尿蛋白(-)。进一步的处理是()

A．剖宫产

B．缩宫素静滴引产

C．胎心电子监护

D．积极治疗，继续妊娠

E．经腹抽羊水测定胎儿成熟度