Bonds can provide "a steady flow of income" to help "of living expenses ", which makes them especially suitable "for retired people".
A
a steady flow
B
of income
C
of living expenses ,
D
for retired people
Correct Answer: of living expenses ,
"Of living expenses" will be the living expenses. So, the correct sentence is - Bonds can provide "a steady flow of income to help the living expenses, which makes them especially suitable for retired people.