The measurement is taken around the biggest part of the arm where the sleeve ends A. Arm circumference
B. Sleeve length
C. Armhole
D. Bust

A. Arm circumference

Explanation:

The arm circumference is the measurement that goes around your arm at the biggest part of it which would be where the biceps forms, that is where normally our short sleeve clothing ends and that is a measure to be able to fit clothes properly.

It is a measure often in the midpoint between the elbow and the shoulder and it is often used to see the nutritional status of a person.

i'm so sorry that's not a question and this isn't an answer

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