Which is most clearly a topic sentence?

Which of the following passages from “the californian’s tale” to advance the theme that pride can lead to regret? a.california has living dead men walking around b. tramping all day long with pick and pan and horn c. thirty-five years ago i was out prospecting on the stanislaus

Which of the following will most likely happen if the pancreas does not produce sufficient insulin? blood sugar will decrease because insulin lowers blood sugar when it rises too high. blood sugar will increase because insulin increases blood sugar when it falls too low. blood sugar will increase because insulin lowers blood sugar when it rises too high. blood sugar will decrease because insulin increases blood sugar when it falls too low.

"ten from the sea to the sand he walks,to look in the soil, but not in the box''!