问个课外题，请问第60题为什么要选择增加而不是减少呢？问题如下图：
选项：
A. 
B. 
C. 
解释：
NO.PZ2016010802000143问题如下 Whiis the most accurate statement regarng the manfor money?A.Precautionary money manis rectly relateto G.B.Transactions money manis inversely relateto returns on bon.C.Speculative manis inversely relateto the perceiverisk of other assets.is correct.Precautionary money manis rectly relateto G. Precautionary money balances are helto provi a buffer against unforeseen events thmight require money. Precautionary balances tento rise with the volume anvalue of transactions in the economy, antherefore rise with G.考点 manfor money解析A，预防性和交易性需求都是和G正相关，正确。B，交易需求只和G成正比，与投资的收益无关，错误。C，的正确说法应该是投机性需求和投资的收益成反比，而非风险成反比。错误。如题，此题考查对哪个知识点的掌握呢
NO.PZ2016010802000143 问题如下 Whiis the most accurate statement regarng the manfor money? A.Precautionary money manis rectly relateto G. B.Transactions money manis inversely relateto returns on bon. C.Speculative manis inversely relateto the perceiverisk of other assets. is correct.Precautionary money manis rectly relateto G. Precautionary money balances are helto provi a buffer against unforeseen events thmight require money. Precautionary balances tento rise with the volume anvalue of transactions in the economy, antherefore rise with G.考点 manfor money解析A，预防性和交易性需求都是和G正相关，正确。B，交易需求只和G成正比，与投资的收益无关，错误。C，的正确说法应该是投机性需求和投资的收益成反比，而非风险成反比。错误。 不应该g差的时候人们才多准备点钱以防万一嘛？
Transactions money manis inversely relateto returns on bon. Speculative manis inversely relateto the perceiverisk of other assets. A is correct. Precautionary money manis rectly relateto G. Precautionary money balances are helto provi a buffer against unforeseen events thmight require money. Precautionary balances tento rise with the volume anvalue of transactions in the economy, antherefore rise with G. 考点 manfor money 解析 A，预防性和交易性需求都是和G正相关，正确。 B，交易需求只和G成正比，与投资的收益无关，错误。 C，的正确说法应该是投机性需求和投资的收益成反比，而非风险成反比。错误。 c不太懂，投资跟风险成反比没错呀
a里面的 rectly relate是指直接相关 还是正相关？这是两个概念吧c如果觉得投资other assets的风险高，那么不买，现在的投资性m低不对吗
请问老师，收益不是对资产风险的衡量补偿吗？为什么C不选？
