Question

If their marketing plans succeed，they ________ their sales by 20 percent.

A．will increase	B．have been increasing
C．have increased	D．would be increasing

Answer 1

A

句意：要是他们的市场计划成功了，他们将增加20%的销售额。从句是一般现在时表将来，主句常用一般将来时或情态动词can/may＋动词原形。