Question

【题目】There remains a certain doubt among the people as to the practical value of the project. So the manager ________ it clearly to them now.
A.is explaining
B.explains
C.explained
D.will explain

Answer 1

【答案】A
【解析】A．is explaining 正在解释，现在进行时态；B．explains解释，一般现在时态； C．explained过去时；D．will explain将解释，一般将来时；句意：关于这项工程的实用价值，人们仍然有疑虑，所以现在经理正在给他们解释清楚。由关键词now可知应该用现在进行时，故答案选A。