Asimilarity between henry viii and martin luther was that botha)formed new denominations that spread throughout europe. b)were european monarchs who opposed the catholic church. c)were religious leaders who tried to change the catholic church. d)were excommunicated from the catholic church for their actions.

The answer for this question is D).were excommunicated from the Catholic Church for their actions.
King Henry VIII was excommunicated because of the divorce of his wife. This lead to him starting the Church of England.
Martin Luther wrote his famous "95 Theses" which questioned the Catholic Church, this angered the Catholic Church and he was excommunicated when he refused to silence his beliefs.

I hope this helped!!

Militarism is the answer.