In the following question, four alternatives are given for the idiom/phrase in bold and italics in the sentence. Choose the alternative which best expresses the meaning of idiom/phrase.
Though he has lots of money, yet all his plans are built upon sand.
A.
established on insecure foundations
B.
based on inexperience
C.
resting on cheap material
D.
resting on immature ideas
Correct answer is D
No explanation has been provided for this answer.
