When Assessing a Newborn Using the Ballard Gestational Age Assessment

When assessing a newborn using the Ballard Gestational Age Assessment tool the nurse folds down the pinna of the ear and releases. The ear recoils instantly. This finding is characteristic of a newborn who is:

A) 24 weeks' gestational age.
B) 30 weeks' gestational age.
C) 39 weeks' gestational age.
D) 42 weeks' gestational age.