I know its not d but it might be c or a
A simple columnar epithelium<span> is a </span>columnar epithelium<span> that is uni-layered. In humans, a simple </span>columnar epithelium<span> lines most </span>organs<span> of the digestive tract including the stomach, small intestine, and large intestine. Simple columnar epithelia line the </span>uterus<span>.</span>
It’s b the pine tree has unprotected seeds, the apple tree has seeds in fruits
The answer to your question is C!
