The Mekong River, which________ several countries in Southeast Asia, ______to be playing a significant role in the region. A．links; is considered B．has linked; considers C．is linked; is considered D．links; considers
| A |
| 动词辨析。Link sth联系sth；be linked to 与…有联系；consider sb/sth to be/as…认为某人是…句意：连接东南亚好几个国家的湄公河被认为在地区中将会起重要作用。 |