11. which one of these sentences contains a prepositional phrase?

a. where did you find the papers that i lost?
b. to be, or not to be: that is the question.
c. you may think otherwise, but what i tell you is true.
d. trolls live under bridges; elves do not.

However, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. what would be the best way to revise this sentence for greater clarity? a) however, the fact that columbus left spain thousands of years after people settled what would become the united states never dawned on me. b) it never dawned on me, however, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain. c) however, the fact that people were already living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. d) however, the idea never dawned on me that long before columbus ever left spain, real-life people lived for thousands of years in what would become the united states.

It is very important to promote self esteem in young children

Acomplex sentence contains . one subject and one verb