38. PAGASA has kept a record of the highest heat index per day as shown below:
Date
May 3, 2019
May 4, 2019
May 5, 2019
May 6, 2019
May 7, 2019
Temperature
38°c
39.5 °C
41.3 °C
40.5 °C
41.05 °C
in which day is the heat index highest?
A. May 4, 2019 B. May 5, 2019
C. May 6, 2019 D. May 7, 2019​