Which sentence contains a prepositional phrase?

a. running all the way, he got there early.
b. they tried, although they didn't expect to win.
c. they sang it, and sang it again.
d. with the proper , they'll complete the project early.

6. true

hiv/aids are in fact really common in blood types

recent news about two years ago indicates that a polish forestry student by chance unearthed at a depth of about 40cm (16 inches), during digging in a damp polish forest he found a 13-page manuscript into a thermos flask.

greek jew marcel nadjari was a aischwitz slave who witnessed how the nazi's built big death chambers and crematoriums and told how he was forced to escort fellow jews to the gas chambers. he accounts on this manuscript how the nazi's disguised this chambers to look like showers. also, he describes this place as a process of extermination from the chambers to the trains arriving to take the bodies.

the answer to this question

the answer is c? i just got it write