Select the grammatically correct sentence.
A.Debraj had a heart attack. His ancestral property helped him lot to bear expenses during this crisis.
B.Debraj had heart attack. His ancestral property helped him lot to bear expenses during this crisis.
C.Debraj had a heart attack. His ancestral property helped him a lot to bear expenses during this crisis.
D.Debraj had heart attack. His ancestral property helped him a lot to bear expenses during this crisis.