In poetry, when stress is placed on certain words or sounds, it is called Meter.
B. The author includes a metaphor
A metaphor is a form of figurative language.
Inferior. 'Sub' as a prefix means 'under' or 'below', and indicates that the subject is in a relatively small proportion.
The answer is: smell
In “Two Kinds” by Amy Tan, when the age of Old Lady Chong, the piano teacher's mother, is being describe, the author uses two similes she smells "like a baby that done something in his pants” and has skin "like an old peach" appealing to the smell sense.