题目选项分析

Taste buds are onion-shaped structures with between 50 and 100 taste cells, each of them that have fingerlike projections that poke through an opening located at the top of the taste bud, which they call the taste pore.

Taste buds are onion-shaped structures with between 50 and 100 taste cells, each of which has fingerlike projections poking through the opening, called the taste pore, located at the top of the taste bud.