Which description about the relationship between IAS and TAS is right?
A.
On sea level, IAS equals to TAS, but when flying in the mid-air, if IAS is same as sea level, TAS will be larger than IAS.
B.
On sea level, IAS is larger than TAS, but when flying in the mid-air, if IAS is same as sea level, TAS will be smaller than IAS.
C.
On sea level, IAS equals to TAS, but when flying in the mid-air, if IAS is same as sea level, TAS will be smaller than IAS.
D.
On sea level, IAS smaller to TAS, but when flying in the mid-air, if IAS is same as sea level, TAS will be larger than IAS.