首次公开上市（IPO）通常会给创业投资公司带来诸多好处，下列哪项描述不正确的是（ ）。

heuthor men by sying tht the Grnd Cnyon is of reltively recent origin The riverlmost completed its work of erosion onlybout six million yersgo. B．The Colordo Plteu only rose comprtively short time from now. C．Volcnic debrisnd intrusions of igneous rockre of recent origin. D．The form. of the cnyon is the result of the recent work done by the nturl force.A．The river almost completed its work of erosion only about six million years ago．B．The Colorado Plateau only rose a comparatively short time from now．C．Volcanic debris and intrusions of igneous rock are of recent origin．D．The form． of the canyon is the result of the recent work done by the natural forcE．

Wht ________ if there ______ no wter orir on the erth hppen, is B．will hppen, is C．will hppen, will be D．hppen ,reA．happen, isB．will happen, isC．will happen, will beD．happen ,are