When Researchers in Massachusetts Developed a 3-D Gel to Grow

When researchers in Massachusetts developed a 3-D gel to grow cultures that more completely replicated Alzheimer's pathology, they discovered that ______.

A) the neurofibrillary tangles serve as a precursor to the plaque formation
B) the plaque formation serves as a precursor to the neurofibrillary tangles
C) accumulations of tau serve as a precursor to accumulations of amyloid
D) accumulations of both tau and amyloid are independent of each other