In the following questions, a sentence/part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence at (1), (2) and (3) which may improve the sentence. In case no improvement is needed, your answer is (4).
Placing a talisman or lucky charm on the door or near the threshold is not mere superstition.
entrance
opening
No improvement
No improvement
D.
No improvement