Which one of the following statements is true for the base forms of verbs?
a. when the subject of a sentence is singular, add "_s" to the base form.
b. add "_ed" to irregular base forms to form the past participle.
c. add "to" to the base form to create an adjective.
d. do not use a base form with plural subjects.

some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.