—How delicious the strawberries are!
—That's right. They will taste ______ with cream.
A:fresher
B:saltier
C:worse
D:better
如图所示,质量分别为M和m的物体用细线连接,悬挂在定滑轮上,定滑轮固定在天花板上,已知M>m,对滑轮及线的重量、摩擦不计,求细绳对天花板的拉力的大小?