Which word is not used to show that something is going to be different than what was just described?

a) although
b) on the other hand
c) but
d) or

the students want to see the great sphinx of giza, which is very popular with tourists.

kenny´s more than 25 years of relevant public service. in the army for two decades, as official representative for four years, and now for the department of state, as ambassador. this career clearly demonstrates great capacities in the public sector.

being untruthful

eating too much

overstaying one's welcom

this is that correct answer.