Money measurement concept implies that every business transaction must be recorded in common unit of measurement i.e. in terms of money only.

Money measurement is an accounting concept which implies that every business transaction must be recorded in common unit of measurement i.e, in terms of money only. 

In other words, this concept states that only those transactions will be recorded which are expressed in quantitative form because it is easy to record them and we can make comparisons easily.

Hence, the correct answer is option A: True.