Which component will rise gradually with the stored time prolonging in Stored Blood?

Which component will rise gradually with the stored time prolonging in Stored Blood? A: concentration of kalium ion B: white blood cells C: thrombogen D: platelets E: red blood cells

We can see from this passage that the following topics have been mentioned in Pitch's book except for______. A: Herbert Hoover was left out of a 1938 series of U.S. postage stamps about former presidents B: there are four US cities that are state capitals named after presidents C: President Bush was nicknamed' Lip' , because he wasn't afraid to voice his opinions on any subject D: President Hoover was left out of the series of stamps because many people blamed him for prolonging the Great Depression