Do plants have feelings? There is currently no reason to believe that plants experience pain, because they are devoid of central nervous systems and brains. Animals are able to feel pain __(26)__ they can use it for self-protection. __(27)__, if you touch something hot and feel pain, you will learn from this__(28)__ that you should not touch that item in the future. On the other hand, plants cannot move __(29)__ and do not need to learn to avoid certain things, so this sensation would be unnecessary. From a physiological standpoint, plants are completely different from animals. They cannot feel pain. Therefore, __(30)__ animals’ body parts, many fruits and vegetables can be harvested over and over again without dying.
【題組】26.
(A) although
(B) because
(C) when
(D) so that