The tide（）.It’s 2 hours before low water，and（）your present position you will be aground at low water.

A.is flowing towards the land
B.is moving towards the ocean
C.level is not changing
D.level is rising because of heavy rains

A.Prevailing Westerly
B.Sub-Polar Flow
C.West Wind Drift
D.Humboldt Current

A.the density of the water
B.the air temperature
C.the presence of a high pressure area near it
D.underwater soil conditions