Question

Which is the correct way to punctuate the sentence?

Dr. Burke wanted to trust her assistant with the secret formula; but she was afraid her assistant was a spy.
B.Dr. Burke wanted to trust her assistant, with the secret formula: but she was afraid her assistant was a spy.
C.Dr. Burke wanted to trust her assistant with the secret formula but, she was afraid her assistant was a spy.
D.Dr. Burke wanted to trust her assistant with the secret formula, but she was afraid her assistant was a spy.

Answer 1

a.

Step-by-step explanation:

Answer 2

D

Step-by-step explanation:

the comma goes before the conjunction but