NO.PZ2018062002000108
问题如下：
A basket of listed depository receipts or an exchange-traded fund is used to gain exposure of :
选项：
A.a single equity.
B.hedging a single equity.
C.multiple equities.
解释：
C is correct. Buying ETF is equivalent to hold a basket of securities (fixed income, equity, commodity futures, etc.).
考点：Private Equity and Non-domestic Equity Securities
题干：购买一篮子上市交易的DR或者ETF是为了获得下列哪种头寸：
A:获得单支股票的头寸
B:对冲单支股票的头寸
C:获得多只股票的头寸
gain exposure是获得风险敞口的意思。投资哪种风险资产，就会获得哪种风险敞口。这里买ETF相当于持有一篮子股票即获得了一篮子股票的头寸的风险，因此选C.
讲义里面提到BLDR只有说到是ETF的一种，对于这个gain exposure不太理解，希望老师解答一下
