I am wondering what the correct answer is to the SC question below:
Because chickens lack teeth, they need another way to break apart the food they eat before reaching the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food. (Underlined portion starts from 'before reaching......')
A) before reaching the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food.
B) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed is used to grind their food.
C) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food.
D) before reaching the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed is used to grind their food.
E) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed are used to grind their food.
Because chickens lack teeth, they need another way to break apart the food they eat before reaching the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food. (Underlined portion starts from 'before reaching......')
A) before reaching the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food.
B) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed is used to grind their food.
C) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they swallow are used to grind their food.
D) before reaching the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed is used to grind their food.
E) before it reaches the stomach, and for this reason, chickens have a gizzard in which stones they have swallowed are used to grind their food.
