"similarly", "on the other hand", and "however" are signals that the author of a source is using which of the following structures:

a) sequencing
b) comparison & contrast
c) cause & effect
d) problem & solution

"Similarly", "on the other hand", and "however" are signals that the author of a source is using comparison & contrast.

To contrast something is to look for differences among two or more elements, but compare is to do the opposite, to look for similarities. It's easy to tell the difference if you remember that contrast comes from the Latin root contra, and means "against."

The correct answer between all the choices given is the second choice or letter B. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

the correct answer is option d. but, and