Which of the Following Is Not a Characteristic of Parenchyma

Which of the following is not a characteristic of parenchyma cells?

A) They all lack the ability to photosynthesize.
B) They can differentiate into other kinds of cells in response to an injury to the plant.
C) They may contain various storage materials, such as starch grains, oils, or water.
D) They must be living cells in order to function.
E) They may secrete substances of various types.