[单选题]不等式 2x+3-x²<0 的解集是（ ）
A.

{x|-1＜x＜3}

B.

{x|x＞3 或 x＜-1}

C.

{x|-3＜x＜1}

D.

{x|x>1 或 x＜-3}

{x|-3＜x＜3}

{x|x＞3 或 x＜-3}

{x|-3≤x＜3}

{x|x≥3 或 x＜-3}

已知函数f（x）=|2x-a|+a。
（I）当a=2时，求不等式f（x）≤6的解集；
（II）设函数g（x）=|2x-1|，当x∈R时，f（x）+g（x）≥3，求a的取值范围。

Text 4      
There will eventually come a day when The New York Times cases to publish stories on newsprint .Exactly when that day will be is a matter of debate. “Sometime in the future “the paper’s publisher said back in 2010.      
Nostalgia for ink on paper and the rustle of pages aside ,there’s plenty of incentive to ditch print .The infrastructure required to make a physical newspapers -printing presses .delivery truck -isn’t just expensive it’s excessive at a time when online-only competition don’t have the same set financial constraints . Readers are migrating away from print away,And although print ad sales still dwarf their online and mobile counterparts revenue from print is still declining.      
Overhead may be high and circulation lowe ,but rushing to eliminate its print editor would be a mistake ,says BuzzFeed CEO Jonah Peretti.   

A. legacy businesses are becoming outdated
B. cautiousness facilitates problem-solving.
C. aggressiveness better meets challenges.
D. traditional luxuries can stay unaffected.