When Ottenheimer Tried to Understand the Difference Between Nʈu "Hermit

When Ottenheimer tried to understand the difference between nʈu "hermit crab" and ntu "arrow" in Shinzwani, the most important information she gathered had to do with

A) the complementary distribution of allophones for the phoneme [ʈ].
B) a difference in the place of articulation of a consonant.
C) the rounding or unrounding of the lips in producing a the vowel [u].
D) a difference in manner of articulation of a consonant.