Which line is an example of iambic pentameter?
a. now is the winter of our discontent.
b. my grave is like to be my wedding bed.
c. for a charm of powerful trouble
d. and drink, sir, is a great / provoker of three things

The line that is an example of iambic pentameter is:

B. My grave is like to be my wedding bed.

Explanation:

To be able to properly answer this question, let's first understand what iambic pentameter means. Iamb is a sequence consisting of an unstressed syllable followed by a stressed one. A iambic pentameter (penta = five) is a five-time repetition of an unstressed syllable followed by a stressed one in the line of a poem. Thus, if we want to find the option that has iambic pentameter, we must count the iambs in it. When we do it to each option, we realize that the second one, letter B, is the one with five iambs:

B. My grave / is like / to be / my wed / ding bed.

the eye wink at the hand; yet let that be / which the eye fears, when it is done, to see.