Strolling through the city park late at night, we saw several young couples walking their dogs, as well as a whole bunch of squirrels scurrying about seeking nuts. choose the selection in which the sentence is properly punctuated. a) no change b) strolling through the city park late at night, we saw several young couples walking their dogs as well as, a whole bunch of squirrels scurrying about seeking nuts. c) strolling through the city park late at night, we saw several young couples, walking their dogs as well as a whole bunch of squirrels scurrying about seeking nuts. d) strolling through the city park late at night we saw several young couples walking their dogs as well as a whole bunch of squirrels scurrying about seeking nuts.