Which of the following is a complete sentence?

a. although henry was unusually tall.
b. since she was hungry, she had a snack.
c. even when the temperatures improved.
d. because i had not slept for two nights

The first step in synthesizing is to a. compare a particular source you are considering to the other sources you have already selected. b. parrot what other sources have said. c. ignore sources with information that runs counter to your claim. d. insert large chunks of information from one or two sources into your essay.