Of the choices, the lower case letter is "a".

F, G, and H are all upper case letters. Their lower case versions are provided below:

F → f

G → g

H→ h

Of the choices, the lower case letter is "d".

A, B, and E are all upper case letters. Their lower case versions are provided below:

A a

B b

E e

Of the choices, the lower case letter is "b".

Q, T, and A are all upper case letters. Their lower case versions are provided below:

A → a

Q → q

T→ t

Of the choices, the lower case letter is "a".

B, L, and H are all upper case letters. Their lower case versions are provided below:

B → b

L → l

H→ h

Of the choices, the lower case letter is "g".

I, R, and E are all upper case letters. Their lower case versions are provided below:

I → i

R → r

E→ e

Of the choices, the lower case letter is "r".

T, U, and Y are all upper case letters. Their lower case versions are provided below:

T → t

U → u

Y→ y

Of the choices, the upper case letter is "E".

a, i, and b are all lower case letters. Their upper case versions are provided below:

a → A

i → I

b → B

Of the choices, the lower case letter is "e".

A, B, and D are all upper case letters. Their lower case versions are provided below:

A a

B b

D d

Of the choices, the upper case letter is "G".

f, h, and j are all lower case letters. Their upper case versions are provided below:

f → F

h → H

j → J

Of the choices, the upper case letter is "R".

a, i, and b are all lower case letters. Their upper case versions are provided below:

p → P

k→ K

y → Y