Which of the following would be signal words for cause and effect context clues?

A. called, defined as

B. this means, which

C. like, same as

D. therefore, consequently

The best answer is: D. therefore, consequently.

The word "therefore" suggests a connection between a cause and an effect. For example: It rains, therefore I am wet.

Similarly "consequently" marks an effect, which means that it can be a signal for cause and effect clause. For example: I didn't study. Consequently, I failed.