Every Morning,my Bathroom Scale Tells Me That I Weigh 120

Every morning,my bathroom scale tells me that I weigh 120 pounds.However,when I go to the doctor's office,the very accurate professional scale says I weigh 130 pounds.My bathroom scale has ________ and ________.

A) high reliability; low validity
B) low reliability; low validity
C) high reliability; high validity
D) low reliability; high validity